To find 15% of 200, we interpret 15% as 15 out of 100. The calculation is (15 ÷ 100) × 200. Simplifying, 15 × 2 = 30, so the result is 30. Thus, 15% of 200 equals 30.
Option A:
Option A, 25, corresponds to 12.5% of 200 and arises if someone confuses 1/8 with 15%. It does not follow from the correct percentage calculation.
Option B:
Option B matches the formula for a percentage of a quantity and uses the simple fraction representation of 15%. The arithmetic shows that 30 is the exact proportion of 200 described by 15%.
Option C:
Option C, 35, is greater than 30 and would correspond to 17.5% of 200, not 15%. It therefore overestimates the desired portion.
Option D:
Option D, 40, equals 20% of 200 and is again inconsistent with the requested 15% rate.
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