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Mathematics 20 Online
OpenStudy (anonymous):

To determine the amount of wrapping paper needed for a rectangular box, Ryan finds the surface area of the box.How much wrapping paper is needed if the box measures 10 in. by 3 in. by 8 in?

OpenStudy (anonymous):

2 (10*8) + 2 (8*3) + 2 (3*10) = 268

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