Bernice estimated that 69% of 242 is 168. Is her estimate reasonable?

Round 69% to 70% and 242 to 240 to estimate the product. Then 70% of 240 is 0.7 × 240 = 168, which matches Bernice’s estimate, so it is reasonable. The correct choice is “Yes, because her calculation should be 70% of 240.”

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