Question 7 • FL-1205040-M/J Grade 7 Mathematics B -GF
To cover the box, find the rectangular prism’s surface area: 2(length × width + length × height + width × height). Substituting the measurements gives 2(8 × 10 + 8 × 3 + 10 × 3) = 2(80 + 24 + 30) = 268 square inches. Jackie needs 268 square inches of wrapping paper, which is choice D.
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