Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Understand the problem
We need to divide 50 by half and then add 20 to the result.
Step 3:: Divide 50 by half
50 \div \frac{1}{2} = 50 \times 2 = 100
Step 4:: Add 20 to the result
100 + 20 = 120
Final Answer
Key Insights: - Dividing by a fraction is the same as multiplying by its reciprocal - \frac{1}{2} is the reciprocal of 2 - 50 \div \frac{1}{2} = 50 \times 2 = 100 - Then adding 20 gives the final result of 120
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