Step-by-Step SolutionStep 1: Convert percent to fractionConvert percent to fraction: 20% = 20/100 = 1/5.Step 2: Multiply with the number(1/5) × 250 = 250 ÷ 5 = 50.Final Answer:50 → Option A.Quick Check:10% of 250 = 25, so 20% = 2 × 25 = 50 ✅Quick Trick: Convert 20% to 1/5 for fast division.Common Mistakes:Multiplying 250 × 20 and forgetting to divide by 100.
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