A gift box is 9 in. by 7 in. by 12 in. Would a sheet of wrapping paper that is 1 yard on each side cover the gift? Explain.

Question

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Answer 1

9 by 7 by 12 has surface area 2(9x7) + 2(7x12) =2(9x12) = 2(63 +84+108) = 2(255) = 510 in^2

a square yard = 36 by 36 inches = 1,296 in^2

That's more than twice as much wrapping paper as needed.

1296> 510