Answer
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Step 1:I'll solve this step by step using the specified LaTeX formatting guidelines:
Step 2:: Identify the given information
- 70 is 20% of an unknown number - We need to find the original number
Step 3:: Set up the percentage equation
70 = 0.20x
Let x be the original number
Step 4:: Solve for x by dividing both sides by 0.20
x = \frac{70}{0.20}
Step 5:: Calculate the value of x
x = \frac{70}{0.20} = 350
Step 6:: Verify the solution
- 20% of 350 is $$0.20 \times 350 = 70$$ ✓
Final Answer
Explanation: To find the original number when a percentage of it is known, divide the given amount by the percentage expressed as a decimal. In this case, 70 ÷ 0.20 = 350.
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