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Solution Manual for Dosage Calculation, 9th Edition

Solution Manual for Dosage Calculation, 9th Edition makes textbook problem-solving simple, with detailed answers that make learning fun.

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    ANSWERS Essential Skills Evaluation — Pages 4–20 1 Essential Skills Evaluation: Pretest and Posttest from pages 4–20 1) ; 3 times a day 2) 3; 2 times a day 3) 10; 2; once a day 4) ; every 3 hours as needed for moderate pain 5) 2; once every morning 6) 2.5; every 8 hours 1 2 1 2 2.5 mL tsp mL 10 9 8 7 6 5 4 3 2 1 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 0.5 mL 7) 0.5; every 4 hours as needed for nausea 8) 0.8; once, immediately 1 2 1 1 2 2 2 1 2 3 mL 0.8 mL 9) 0.4; every 4 hours as needed for severe pain .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 0.4 mL 1 2 1 1 2 2 2 1 2 3 mL 1.5 mL 10) 1.5; once, immediately DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 1

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    2 Essential Skills Evaluation — Pages 4–20 ANSWERS 1 2 1 1 2 2 2 1 2 3 mL 1.4 mL 11) 1.4; every 8 hours 12) 0.88; once, immediately 13) 1; once, immediately; either syringe is appropriate 14) 0.5; once, every morning; either syringe is appropriate .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 0.88 mL .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 1 mL 1 2 1 1 2 2 2 1 2 3 mL 1 mL .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 0.5 mL 1 2 1 1 2 2 2 1 2 3 mL 0.5 mL DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 2

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    ANSWERS Essential Skills Evaluation — Pages 4–20 3 15) 8; every 12 hours 18) 1.4; 75; every 6 hours 17) 1; 1; 0.25; every 8 hours 16) 4; every 12 hours 1 2 3 4 5 6 7 8 9 10 mL 8 mL 1 2 3 4 5 mL 4 mL .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 1 mL 1 2 1 1 2 2 2 1 2 3 mL 1.4 mL DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 3

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    4 Essential Skills Evaluation — Pages 4–20 ANSWERS .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 mL 0.7 mL 0.7 mL 1 2 1 1 2 2 2 1 2 3 mL 19) 68; once a day before breakfast 46 units + 22 units Total = 68 units Lente Regular (drawn up first) 10 20 30 40 50 60 70 80 90 100 UNITS USE U-100 ONLY 5 15 25 35 45 55 65 75 85 95 (Opposite Side) 20) 1 21) Benadryl; 0.7; either syringe is appropriate 23) Yes. Her temperature is 102.2°F. Tylenol every 4 hours as needed is indicated for fever greater than 101°F. It has been 5 hours and 5 minutes since her last dose. 24) 2 25) 18.8; 138 26) 138 27) 8; 2 28) 1; 0700; 1200; 1700 29) 18; subcutaneous 30) 113 31) Yes; the usual dosage is 20–40 mg/kg/day divided into 3 doses q.8h, which is equivalent to 67–133 mg per dose for a 22 lb (10 kg) child. 22) Narcan; 1 1 2 1 1 2 2 2 1 2 3 mL 1 mL 18 units 5 10 15 20 25 30 35 40 45 50 UNITS USE U-100 ONLY DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 4

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    ANSWERS Essential Skills Evaluation — Pages 4–20 5 32) 4 4 mL tsp mL 10 9 8 7 6 5 4 3 2 1 33) Yes; the usual dosage is 40 mg/kg/day divided into 3 doses q.8h, which is equivalent to 240 mg per dose for a 40 lb (approx. 18 kg) child. 34) 3; dosage is safe 35) 103.3 36) 282; 423 37) 9.4 38) 250–375; Yes 39) 1.7; 26 40) 880 41) 25 42) 1 43) 5; 5 44) 50 45) 0030; 12:30 AM the next day 46) 10 47) 100; 1 48) 5 49) 1/30/xx, 1500, reconstituted as 100 mg/mL. Expires 1/31/xx, 1500. G.D.P. 50) Prevention: The importance of checking a medication label at least three times to verify supply dosage cannot be overemphasized. It is also important NEVER to assume that the supply dosage is the same as a supply dosage used to calculate previously. Always read the label carefully. Writing the calculation down will also help improve accuracy. Solutions—Essential Skills Evaluation: Pretest and Posttest 1) 2) 3) Use 10 mg capsules; 40 mg capsule cannot be split to provide the 20 mg dose. 4) 5) 6) 7) 8) 9) 10) D H  Q  3 mg 2 mg  1 mL  1.5 mL D H  Q  4 mg 10 mg  1 mL  0.4 mL D H  Q  40 4 mg 50 5 mg  1 mL  4 5 mL  0.8 mL D H  Q  12.5 mg 25 mg  1 mL  12.5 25.0 mL  0.5 mL D H  Q  100 1 mg 200 2 mg  5 mL  5 2 mL  2.5 mL D H  Q  0.3 mg 0.15 mg  1 tablet  0.30 0.15 tab  2 tablets D H  Q  2.5 mg 5 mg  1 tablet  2.5 5.0 tab  1 2 tablet D H  Q  20 2 mg 10 1 mg  1 capsule  2 capsules D H  Q  1.5 mg 0.5 mg  1 tablet  3 tablets D H  Q  40 1 mg 80 2 mg  1 tablet  1 2 tablet 11) 12) 13) 1 mg  1,000 mcg (known equivalent) 14) 1 mg  1,000 mcg (known equivalent) 15) 16) 1 g  1,000 mg (known equivalent) D H  Q  400 4 mg 100 1 mg  1 mL  4 mL 0.4 g  1,000 mg/g  0.400.  400 mg D H  Q  80 mg 100 10 mg  10 1 mL  80 8 10 1 mL  8 mL D H  Q  125 mcg 500 mcg  2 mL  250 1 500 2 mL  0.5 mL 0.125 mg  1,000 mcg/mg  0.125.  125 mcg D H  Q  200 1 mcg 200 1 mcg  1 mL  1 mL 0.2 mg  1,000 mcg/mg  0.200.  200 mcg D H  Q  35 mg 80 mg  2 mL  70 80 mL  0.875 mL  0.88 mL D H  Q  350 mg 500 mg  2 mL  700 500 mL  1.4 mL DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 5

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    6 Essential Skills Evaluation — Pages 4–20 ANSWERS 17) Do not exceed 50 mg/1 min. The . Administer at 1 mL/1 min or 0.25 mL/15 seconds. Either syringe could measure the amount, but the 1 mL syringe will provide greater control for pushing medication at the rate recommended. 18) 19) 20) 21) 22) 23) 24) 25) Measure the 18.8 mL precisely to add to the IV PB bag. But for the drip-rate calculation, such a precise measurement is not necessary. You may round the 18.8 mL to 19 mL for the computation of the drip rate only.  138 gtt/min V (mL) T (min)  C (gtt/mL)  69 mL 30 1 min  60 2 gtt/mL 50 mL  19 mL  69 mL  18.8 mL D H  Q  100 mg 80 16 mg  15 3 mL  300 16 mL  18.75 mL D H  Q  650 2 mg 325 1 mg  1 tablet  2 tablets 2 h 50 min  2 h 15 min  5 h 5 min 0215  2 h 15 min after 2400; 2400  2110  0250 or 2 h 50 min; 102.2  F is greater than 101  F;  70.2  32  102.2  F;  F  1.8  C  32  (1.8  39)  32 D H  Q  0.4 1 mg 0.4 1 mg  1 mL  1 mL D H  Q  35 7 mg 50 10 mg  1 mL  7 10 mL  0.7 mL D H  Q  30 1 mg 60 2 mg  2 mL  2 2 mL  1 mL 46 units  22 units  68 units (total)  1,500 20 gtt/min  75 gtt/min V (mL) T (min)  C (gtt/mL)  100 mL 20 min  15 gtt/mL D H  Q  35 mg 25 mg  1 mL  35 25 mL  1.4 mL X  1 4 mL  0.25 mL 60X 60  15 60 60X  15 1 mL 60 sec X mL 15 sec 1 mL dose  50 mg 250 mg/5 mL  50 mg/1 mL D H  Q  50 1 mg 250 5 mg  5 mL  5 5 mL  1 mL 26) Pump measured in mL/h. 69 mL in 30 min  138 mL in 60 min. 27) 28) 31) 1 kg  2.2 lb (known equivalent) Minimum dosage: Maximum dosage: 32) 33) (known equivalent) close approximation to ordered dosage of 240 mg; dosage is safe. 34) 35) 36) (known equivalent) Minimum dosage: Maximum dosage: 37)  9.4 mL D H  Q  300 30 mg 80 8 mg  2.5 mL  75 8 mL  9.37 mL 15 mg/kg  28.2 kg  423 mg 10 mg/kg  28.2 kg  282 mg  28.18 kg  28.2 kg 62 lb  2.2 lb/kg  62 lb  1 kg/2.2 lb 1 kg  2.2 lb  103.28  F  103.3  F  F  1.8  C  32  (1.8  39.6)  32  71.28  32 D H  Q  240 mg 400 80 mg  5 1 mL  240 80 mL  3 mL  242.6 mg/dose  243 mg/dose 728 mg/day  3 doses/day  728 mg/day  1 day/3 doses 40 mg/kg/day  18.2 kg  728 mg/day 40 lb  2.2 lb/kg  40 lb  1 kg/2.2 lb  18.18 kg  18.2 kg 1 kg  2.2 lb D H  Q  100 4 mg 125 5 mg  5 mL  20 5 mL  4 mL  133.3 mg/dose  133 mg/dose 400 mg/day  3 doses/day  400 mg/day  1 day/3 doses 40 mg/kg/day  10 kg  400 mg/day  66.6 mg/dose  67 mg/dose 200 mg/day  3 doses/day  200 mg/day  1 day/3 doses 20 mg/kg/day  10 kg  200 mg/day 22 lb  2.2 lb/kg  22 lb  1 kg/2.2 lb  10 kg D H  Q  1 g 1 g  1 tablet  1 tablet D H  Q  125 1 mg 500 4 mg  8 mL  8 2 4 1 mL  2 mL X  138 mL 30X 30  4,140 30 30X  4,140 69 mL 30 min X mL 60 min   DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 6

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    ANSWERS Mathematics Diagnostic Evaluation — Pages 28–30 7 38) (known equivalent) Minimum dosage: Maximum dosage: 39) (to be infused) 40) 41) 42) 43) 44) 45) AM (or 30 min after midnight, the next day) 46) (known equivalent) ; therefore, after adding 9.6 mL to the vial, the resulting volume totals 10 mL. 47) 100; 1 48) (known equivalent) 49) Clinical reasoning indicates that the full reconstituted solution will be used up within 2 doses, so storage unrefrigerated for 24 hours is satisfactory. D H  Q  500 5 mg 100 1 mg  1 mL  5 mL 0.5 g  1,000 mg/g  0.500.  500 mg 1 g  1,000 mg  10 mL 1,000 mg  100 mg/mL  1,000 mg  1 mL/100 mg 1 g  1,000 mg 2430 h  0030  12:30 1430 h  1000 h  50 doses  5 doses/h  50 doses  1 h/5 doses  10 h; 50 mg  1 mg/dose  50 mg  1 dose/1 mg  50 doses 1 mL/dose  5 doses  5 mL 1 mg/dose  5 doses  5 mg D H  Q  1 mg 50 1 mg  50 1 mL  1 mL  600 24 gtt/min  25 gtt/min V (mL) T (min)  C (gtt/mL)  600 mL 240 24 min  10 1 gtt/mL Total  880 mL Apple juice: 16 fl oz  16 fl oz  30 mL/fl oz  480 mL Water: 3 fl oz  2  6 fl oz  6 fl oz  30 mL/fl oz  180 mL Gelatin: 4 fl oz  4 fl oz  30 mL/fl oz  120 mL IV fluid: 50 mL  50 mL  100 mL  52 2 gtt/min  26 gtt/min V (mL) T (min)  C (gtt/mL)  52 mL 20 2 min  10 1 gtt/mL 1.7 mL (medication)  50 mL (IV fluid)  51.7 mL  52 mL D H  Q  250 5 mg 300 6 mg  2 mL  10 6 mL  1.66 mL  1.7 mL  375 mg/dose  1,500 mg/day  1 day/4 doses 1,500 mg/day  4 doses/day 30 mg/kg/day  50 kg  1,500 mg/day  250 mg/dose  1,000 mg/day  1 day/4 doses 1,000 mg/day  4 doses/day 20 mg/kg /day  50 kg  1,000 mg/day 110 lb  2.2 lb/kg  110 lb  1 kg/2.2 lb  50 kg 1 kg  2.2 lb Mathematics Diagnostic Evaluation from pages 28–30 1) 1,517.63 2) 20.74 3) 100.66 4) $323.72 5) 46.11 6) 754.5 7) 16.91 8) 19,494.7 9) $173.04 10) 403.26 11) 36 12) 2,500 13) 14) 6.25 15) 16) 40% 17) 0.4% 18) 0.05 19) 1:3 20) 0.02 21) 22) 23) 24) 25) 26) 27) 0.009 28) 320 29) 3 30) 0.05 31) 4 32) 0.09 33) 0.22 34) 25 35) 4 36) 0.75 37) 3 38) 500 39) 18.24 40) 2.4 41) 42) 1:50 43) 5 tablets 44) 2 milligrams 45) 30 kilograms 46) 3.3 pounds 47) 48) 7.5 centimeters 49) 90% 50) 5:1 Solutions—Mathematics Diagnostic Evaluation 6.67 centimeters 1 5 1 100 14 7 8 3 5 1 11 18 6 13 24 1 1 4 4 5 2 3 1) 1,517  0.63  1,517.00  0.63 1,157.63 2) 0.7  0.035  20.006  0.700 0.035  20.006 20.741  20.74 3) 9.50 17.06 32.00 41.11  0.99 100.66 4) $19.69  $304.03  $ 19.69  304.03 $323.72 8 13 1 10 5) 93.2  47.09  93.20  47.09 46.11 6) 1,005.0  250.5 754.5 6 11 7) 17.156  0.25  17.156  0.250 16.906  16.91 8) 509  38.3  509  38.3 1527 40720 152700 194947  19,494.7 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 7

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    8 Mathematics Diagnostic Evaluation — Pages 28–30 9) $4.12  42  $4.12  42 824 16480 $173.04 10) 17.16  23.5 8580 5148 3432 403.260  403.26 11) 972  27  81 162 162 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) 26) 27) 0.009 0.190 0.900  0.009 has the smallest value in the tenth place 28) 29) 30) 31) 8% of 50  0.08  50  4 32) 33) 0.9%  24  0.009  24  0.216  0.22 34) 18  0.005 0.090  0.09 1 2 %  0.5%  0.005 3 12 + 3 0 25 3 15 25 100 3 60 60 3 00 0 0 3 00 0.05 1 4 × = × = = ↓ . . ) 3 00 0.06. 0.18.  3 3. 0.18 0.06  0.02  0.16 0.4 – 0.34 0.02  0.16 0.18 0.40  0.34 0.06 ) 6 4 0 02 0 02 6 40 6 0 4 4 00 3 20 320 . . . . . . . = = 1 150 1 200 1 100 1 100 ; ; is the g reatest 1 4 4 1 2 3 7 8 14  17 4 7 2   119 8   1 100  60  1 100 5  60 3 1  3 5 1 5 6 2 9 – 5 6 1  15 18 1 – 2 9 4 18  11 18 1 – 1 4 1 1 4 4 5 6 2 3 7 8 2 3 16 24 7 8 21 24 37 24 13 24 + = = = + + 1 2 3 4 1 2 2 4 3 4 3 4 5 4 1 1 4 + = = = + + ) 1 50 50 1 00 1 00 0 02 : . . = 33 100 100 100 1 1 3 3   100 3 100 1 3    3 100 100 1  1 3 33 %  = .0 5 . = 0.0 5 = 5 ÷ 100 5% = — – 100 5 0.004 × 100 = 0.00.4 = 0.4% ) 2 5 5 2 0 0.4 0.4 × 100 = 0.40. = 40% = 2.0 0 8 8 10 4 5 4 5 . = = 1,500 240 240 1,500.00 1 440 60 0 48 0 12 00 = ) 12 00 6.25 1 4 3 8 1 4 8 3 2 3 1 2 ÷ = × = 0.001. 2.500.  2,500 2500. ) 27 972 36 ANSWERS 1 250 1 25 1 1,000        100 1 100 250  250 1 : 1,000    1 : 100 1 1,000 1 100 250 1 1 1,000 10 250 10 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 8

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    35) 36) 37) 38) 39) 40) 41) 42) 43) 25  5  5 tablets 44) 0.5  4  2 milligrams/day 45) 46) 47) 48) 49) 50) 5 females to 1 male 5:1 50 items  5 incorrect 45 correct 45 50  9 10  90% (correct) 2.5 centimeters 1 inch 3 inches X centimeters X = 7.5 centimeters = = X 3.3 lb 110 22 2 2 . 3 30 . 1.5  2.2 po u nds X po u nds 1 kilo g ram 1.5 kilo g rams = 2.2 po u nds X kilo g rams 1 kilo g ram 66 po u nds  66 po u nds  66 2.2  30 kilo g rams or 2.2X  66 2.2X 2.2 66 2.2  X  30 kilo g rams 2 2 100 1 50 1 50 % : = = = 2 : 10 2 10 1 5 = = 1 150 1 300 × 1.2 = X 1 150 300 1 1 2 × ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ × 1.2 = X 1 150 1 300 ÷ ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ × 1.2 = X 2 × 1.2 = X 2.4 = X X = (82.4 − 52) X = 30.4 × × = = = 30.4 1 91.2 5 18.24 3 5 3 5 3 5 0.51 1 .7 0.3X 0.3 150 0.3 × X = 150 0.3X = 150 = X = 500 4 1 250,000 12 4X 4 12 4 1 000 , ,000 × = = X 12 1 000 000 250,000 , , × = X 4X = 12 X = 3 2 5 5 1 5 0 5 1 5 0 75 . . . . . × = = × = X X 2 1 300 150 2 4 × = = X 300 150 2 × = X X ANSWERS Review Set 1 — Pages 37–38 9 Review Set 1 from pages 37–38 1) , 2) 3) , 4) , , 5) , , 6) 7) 8) 9) 10) 11) 2 12) 1 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) bottle 26) bottles 27) of the students are men 28) of the questions were answered correctly 29) dose 30) teaspoon Solutions—Review Set 1 1 2 1 2 9 10 2 5 1 1 2 2 5 3 10 5 9 1 10,000 1 100 6 9 4 10 8 12 4 16 6 8 2 3 4 1 1 3 3 1 3 411 4 47 6 32 3 6 5 13 2 3 9  1 3 1 5  2 10 3 4  6 8 5 7 8 1 1 4 1 2 9 1 14 1 4 1 100 1 150 7 5 6 6 1) 2) Complex fraction : n u merator and/or denominato or is a fraction 1 100 1 150 Improper fraction : n u merator is g reater than or eq u al to denominator 6 6 , 7 5 3 8 1 2 3 8 3 8 5 2 2 1 centimeter 3 8 inch X centimeter 2 1 2 inches = = = × ÷ = = X 3 8 5 2 = X 3 8 X X 5 2 5 2 3 8 8 3 20 3 1 4 = 6.666 = 6.67 = DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 9

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    10 Review Set 2 — Pages 40–41 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) is larger than The numerators are the same. The fraction with the smaller denominator has the greater value. 22) is smaller than 23) is larger than The denominators are both the same. The fraction with the larger numerator has the greater value. 24) is smaller than 25) 10 fluid ounces – 6 fluid ounces  4 fluid ounces remaining bottle remaining 26) 27) 24 men  36 women 60 people in class The men represent or of the students in the class. 28) 29) 30) 160 1 80 160 160 80 160 160 80 m g t m g t = = = X X X X 1 2 teaspoon  160 1 80 160 160 80 160 160 80 m g dose m g doses = = = X X X X 1 2 dose  18 20 18 2 20 2 9 10 = = ÷ ÷ 2 5 24 60 1 bottle 18 doses 12 18 12 12 doses X bottles X = X X X 12 18 12 6 12 1 2 1 1 = = = bottles 4 10 2 5 2  5 5 10 3 10 2 9 5 9 1 1,000 1 10,000 1 150 1 100 2 3 2 3 3 3 6 9 = = × × 2 5 2 2 5 2 4 10 = = × × 2 3  2  4 3  4  8 12 1 4 1 4 4 4 4 16 = = × × 3 4 3 2 4 2 6 8 = = × × ) 44 16 16 44 32 12 2 2 2 00 12 16 12 16 3 4 = = 100 75  1 25 75  1 1 3 ) 30 9 9 30 27 3 3 3 3 0 3 9 3 9 1 3 = = 8 8 1 1 1 = ) 24 12 12 24 24 2 = 102 3 4 4 411 4 = = (102 × 4) + 3 7 5 6 7 6 5 6 47 6 = = × + ( ) 10 2 3  (10  3)  2 3  32 3 1 1 5 1 5 1 5 6 5 = = × + ( ) 6 1 2 6 2 1 2 13 2 = = × + ( ) 3 4 3 2 4 2 6 8 3 4 6 8 1 5 1 2 5 2 2 10 1 5 2 10 3 9 = = = = = = = × × × × ; ; 3 3 3 9 3 1 3 3 9 1 3 ÷ ÷ = = ; 1 1 5 2 9 1 4 7 8 , , Mixed n u mber red u ced to lo w est terms : w hole n u mber + red u ced fraction P roper fraction : n u merator is less than denominator and v al u e is less than 1 1 4 1 14 , ANSWERS Review Set 2 from pages 40–41 1) 2) 3) 4) 5) 6) 7) 8) 9) 43 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) 26) fluid ounces 27) inches 28) 8 inches 29) pints 30) pounds 13 1 4 21 1 2 1 1 8 5 5 6 1 25 7 12 24 6 11 1 1 4 7 2 9 7 1 16 1 2 5 1 6 299 4 5 63 2 3 1 24 4 5 6 1 2 53 132 2 8 15 5 118 119 5 53 72 1 1 3 5 7 12 32 5 6 1 1 24 17 5 24 1 5 12 8 7 15 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 10

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    ANSWERS Review Set 2 — Pages 40–41 11 Solutions—Review Set 2 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 14 7 14 14 7 7 7 3 16 1 8 3 16 3 16 1 8 2 16 1 16 − = = – – 2 1 2 1 1 3 5 1 5 3 5 1 5 2 5 − – 1 3 1 6 1 3 2 6 1 6 1 6 1 6 − = = – – 355 55 355 354 55 55 299 1 5 2 5 1 5 6 5 2 5 2 5 4 5 − = = – – 100 36 100 99 36 36 63 1 3 3 3 1 3 1 3 2 3 − = = – – 1 8 1 12 1 8 3 24 1 12 2 24 1 24 − = = – – 8 3 8 3 7 1 12 1 4 1 12 3 12 13 12 – – = – 3 3 12 4 4 10 12 5 6 = 3 4 1 4 3 4 1 4 2 4 1 2 − = – 1 4 5 33 1 4 33 132 5 33 20 132 53 132 + = = + + 1 5 6 5 1 3 6 5 18 15 3 15 23 15 8 1 1 1 1 1 2 + = + + = = 5 5 2 5 5 12 17 2 7 12 17 84 119 7 34 119 1 5 5 + + = + = 1 18 119 34 8 34 8 42 43 1 2 1 2 1 2 1 2 2 2 + + = 4 9 5 8 2 3 4 9 32 72 5 8 45 4 + + = = 7 72 2 3 48 72 125 72 4 4 4 = + = 5 53 72 + 1 7 2 3 11 21 1 7 3 21 2 3 14 21 11 21 + + + + = = = = = 11 21 28 21 7 21 1 3 1 1 1 4 1 3 1 4 3 12 1 3 4 12 7 12 5 5 5 5 + = = + + 12 20 12 12 20 1 2 1 3 1 2 3 6 1 3 + = = + + 20 32 2 6 5 6 25 24  1 1 24 3 4  1 8  1 6  18 24  3 24  4 24  18  3  4 24  4 5 7 4 2 3 1 24 1 2 16 24 + + 5 7 1 24 12 24 + 16 17 29 24 5 24 = 2 8 17 = 3 4 2 3 3 4 9 12 3 12 12 5 12 1 + = = + 7 7 4 5 2 3 12 15 10 15 + + 7 7 8 22 15 7 15 = DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 11

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    12 Review Set 3 — Pages 45–46 21) 22) 23) 24) 25) 50 pounds – 48 pounds  2 pounds lost  of weight lost 26) 27) 28) 29) – 34 21 pints 30) 20 7 20 7 1 2 1 4 2 4 1 4 − − 13 1 4 po u nds 1 2 1 2 56  34 1 2 55 2 2 11 1 1 1 1 2 1 2 1 2 1 2 1 2 2 2 inches inches inches − + ( ) + = = − = 3 11 3 8 inches in the mar g ins inches v erti ical area a v ailable to w rite 1 2 1 4 3 8 inch inch inch total g ro w th for 3 mon + + = t ths inches g ro w n 1 2 4 8 1 4 2 8 3 8 3 8 9 8 1 8 1 = = + + = = 2 3 6  3 2 6  5 5 6 fluid ounces 2 1 2 fluid ounces  3 1 3 fluid ounces  1 25 2 50 1 1 1 1 1 1 2 3 1 12 2 3 8 12 1 12 1 12 7 12 − = = – – 48 24 48 24 24 6 11 6 11 6 1 − – 1 1 7 10 9 20 4 3 4 4 3 3 1 7 10 14 20 9 20 9 20 5 − = = – – 2 20 1 4 1 = 25 17 25 24 17 17 7 7 9 9 9 7 9 7 9 2 9 − = = – – ANSWERS Review Set 3 from pages 45–46 1) 2) 3) 4) 5) 3 6) 7) 8) 9) 10) 11) 12) 13) 3 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 60 calories 25) 560 seconds 26) 40 doses 27) tablets 28) 1,275 milliliters 29) ounces 30) 6 full days Solutions—Review Set 3 52 1 2 31 1 2 1 1 9 7 12 1 3 3 20 3 1 3 1 30 1 2 1 11 3 14 1 34 39 254 1 6 3 32 23 19 36 1 2 6 8 15 4 5 1 2 3 3 100 35 48 36 125 1 40 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 3 4 1 4 3 4 4 1 3 1 1 1 3 ÷ = × = = 12 20 254 1 2 1 3 25 2 61 3 1525 6 1 6 × = × = = 3 4 1 8 3 32 × = 4 5 23 2 3 1 24 14 3 121 24 847 36 19 36 7 12 × = × = = 3 4 2 3 3 4 2 3 1 2 1 2 1 1 × = × = 9 6 4 5 2 3 49 5 2 3 98 15 8 15 × = × = = 30 75 30 75 2 1 4 5 2 2 5 × = × = 1 150 1 100 1 2 1 150 100 1 5 2 1 3 2 1 2 3 2 1 × = = × ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ 1 150 1 100 ÷ ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ × 5 2 × = × × 5 5 2 5 3 2 3 1 1 = = 1 3 3 3 1 4         1 6 2 3 4 1 1 6 3 ( 3 1 ) ( 3 2 )  4 6 9 2 18 6 2 1 100 1 100 3 1 3 100 3 × = × = 5 8  1 1 6  5 8  7 6  35 48 12 25 3 5 36 125 × = 3 10 1 12 3 10 1 12 1 40 1 4 × × = DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 12

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    14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) 26) 27) 28) full means the patient drank pitcher; pitcher  850 mL 29) 30) Daily doses would be taken at: 7 AM , 11 AM , 3 PM , 7 PM , and 11 PM for 5 doses/day. 5 doses/day  fluid ounce/dose   2 fluid ounces/day 16 1  2 5  32 5  6 2 5 days or 6 full days 16 fluid ounces  2 1 2 fluid ounces/day  16 1  5 2  1 2 5 2 1 2 12 N 6 5 4 8 2 1 Stop 10 3 P M 7 AM 7 P M 11 P M 11 AM 9 AM Start 1 75 7 2 10 1 15 105 2 7 10 75 t u be o u nce t u bes X o u nces =  = = X X 52 o u nces 1 2  2 3 1 pitcher 2 3 850 2 3 pitcher 850 mL X mL 2 3 X X = = 850 2 3 = ÷ = × = = 2 3 1 3 2 2,550 2 850 850 X 1, 275 mL 2 3 2 3 1 3 3 7 21 63 2 31 1 2 × = × × = = doses 21 1 1 2 tablets = 21 3 2 1 tablets 1 2 1 2 1 2 1 2 20 1 2 20 1 2 2 1 20 20 20 1 t 1 dose t X doses = = = =  =  = X X X 40 doses 60 1 3 28 20 3 1 1 3 9 60 60 560 sec 1 min sec 9 min =   = = = X X X 560 seconds  20 80 80 3 4 1 3 4 calories 1 apple calories apple =  = X X X 60 calories  3 5 3 4 4 5 1 9 3 5 4 3 4 5 10 9 3 5 4 3 1 1 1 ÷ = × ( ) ÷ ÷ ( ) = × ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ ÷ ÷ × ( ) = ÷ = × = = 4 5 9 10 4 5 36 50 4 5 50 36 10 9 1 9 1 1 10 9 1 7 8 1 2 7 8 3 2 7 8 2 3 7 12 1 4 1 ÷ = ÷ = × = 1 150 1 50 1 150 50 1 1 3 3 1 ÷ = × = 1 20 1 3 1 20 1 3 1 20 3 1 3 20 = ÷ = × = 2 2 1 3 1 2 3 4 5 2 5 2 3 4 1 3 10 3        4 3 1 60 1 2 1 60 2 1 1 30 30 1 ÷ = × = 5 10 1 4 1 2 21 4 21 2 21 4 2 21 1 2 1 2 1 1 ÷ = ÷ = × = 1 33  1 3  1 33  3 1  3 33  1 11 1 8 7 12 1 8 12 7 3 14 2 3 ÷ = × = 6 3 1 1 12 1 4 73 12 13 4 73 12 4 13 73 39 34 39 3 1 ÷ = ÷ = × = = ANSWERS Review Set 3 — Pages 45–46 13 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 13

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    14 Review Set 4 — Pages 52–53 1) 2) 3) 4) Fraction Read: six thousandths 5) 6) 7) 8) 9) 10) 11) 12) ) Decimal Read: 2 4 11 00 8 3 0 2 8 20 20 2 75 3 4 11 4 = = . . two and seventy-five hundredths Fraction Read: ninety-five hu 0 95 95 100 19 20 . = = n ndredths Decimal 33 100 3,303.00 3 00 303 3 3 100 3303 100 = = ) 00 3 0 0 3 00 33 03 . 3 00 . . Read: thirty-three an nd three hundredths Fraction Read: two hundred 250 5 250 250 5 10 1 2 . = = fifty and five tenths 4 Decimal Read: eight tenths 5 5 4 0 0 8  . . Fraction five and one tenth Decimal 5 1 10 = = 5 1 10 ) 5 51 10 10 51 0 50 1 0 1 0 5 1 5 1 0 = ↓ = . . . . Fraction Read: one and nine tenths 1 9 1 9 10 . = 10 200 2,003.000 2 00 03 0 30 .0 300 3 200 2003 200 = = ) 200 1000 1000 10 015 . R Decimal ead: ten and fifteen tho ousandths 0.006  6 1,000  3 500 Fraction Read: one and 1 05 1 1 5 100 1 20 . = = five hundredths Fraction Decimal 85 100 = = 17 20 85 100 100 85 0 80 00 . . ) 5 5 00 5 00 0 85 . . . ) Decimal Read : t w o tenths 1 5 1 5 5 1 0 1 0 0 0 2 0 2 = = . . . . ANSWERS Review Set 4 from pages 52–53 1) 0.2, two tenths 2) , 0.85 3) , one and five hundredths 4) , six thousandths 5) 10.015, ten and fifteen thousandths 6) , one and nine tenths 7) , 5.1 8) 0.8, eight tenths 9) , two hundred fifty and five tenths 10) 33.03, thirty-three and three hundredths 11) , ninety-five hundredths 12) 2.75, two and seventy-five hundredths 13) , 7.005 14) 0.084, eighty-four thousandths 15) , twelve and one hundred twenty-five thousandths 16) , twenty and nine hundredths 17) , 22.022 18) , fifteen hundredths 19) 1,000.005, one thousand and five thousandths 20) , 4,085.075 21) 0.0170 22) 0.25 23) 0.75 24) 25) 0.12 26) 0.063 27) False 28) False 29) True 30) 0.8 gram and 1.25 grams Solutions—Review Set 4 9 200 4,085 3 40 3 20 22 11 500 20 9 100 12 1 8 7 1 200 19 20 250 1 2 5 1 10 1 9 10 3 500 1 1 20 17 20 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 14

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    13) 14) 15) Fraction Read: twelve and one hundred twenty-five thousandths 16) 17) 18) Fraction Read: fifteen hundredths 19) 20) 21) 22) 23) 24) 25) 0.012 0.120 0.021  0.120 is the largest because the 1 in the tenth place is the largest digit in the tenths place, and that is the place where the first nonzero numeral appears. . 0 045 45 1,000 9 200 = = tenths h u ndredths tho u sandths ) 75 100 100 75 00 70 0 5 00 5 00 0 75 = ↓ . . 0 2500 0 25 . . = t w o place decimal 0 017 0 0170 . . = fo u r place decimal Fraction Decimal: This conversion can be worked like #19, however this is shorter for a problem where the denominator is a power of 10. four thousand eighty-five and seventy y-five thousandths = = 4 085 4 085 75 1 000 3 40 , , , 4 085 4,085 + (75 ¸1,000) 75 1 000 , , = = 4,085 + 0.075. = 4,085.075 Decimal 1 000 200 200 001 000 2 1 200 200 001 200 , , . , = = 0 00 0 0 0 00 0 01 0 1 ) 0 0 0 1 00 0 1 000 1 000 1 000 005 , . Read: one thou usand and five thousandths 0.15  15 100  3 20 Fraction twenty-two and twenty-two thousandth hs Decimal = = = 22 22 22 22 1 000 11 500 22 1 000 22 02 , , , 2 2 1 000 1 000 22 022 000 20 00 2 022 2 000 22 , , , . = ) . . . . . 0 0 22 00 20 00 2 000 2 000 22 022 Fraction Read: twenty and nine h 20 09 20 9 100 . = u undredths 12.125  12 125 1,000  12 1 8 250 21.000 20 00 1 000 1 000 0.084 21 Decimal Read: eighty-four thousandths 250 = Fraction seven and five thousandths = = 7 5 1 000 , 7 7 7 1 000 7 005 1 200 5 1 000 7 005 1 000 Decimal , , , , , . = = ) 0 000 7 000 5 0 0 5 00 0 5 000 7 005 , , 5 000 , . ANSWERS Review Set 4 — Pages 52–53 15 DC9_SM_section01-04.qxd 7/19/12 6:32 PM Page 15

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