Sameera predicted that she would sell 38 blankets, but she actually sold 28 blankets. Which expression would find the percent error? Use the given table to help answer the question. Percent Error Item Approximate value Exact value Error Absolute error Ratio Percent error Blankets 38 28 10 10

Percent error is the absolute error divided by the exact value, then multiplied by 100. Here, the absolute error is 10 blankets and the exact number sold is 28, so the expression is 10 ÷ 28 × 100. Choice D gives this expression; using 38 would divide by the predicted value instead of the exact value.

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