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Mathematics 15 Online
OpenStudy (anonymous):

The surface area (A) of a box is A = 2LW + 2LH + 2WH. Find W, if A = 94, L = 3, and H = 5

OpenStudy (anonymous):

well you plug in your numbers: 94= 2(3)w + 2(3)h + 2w(5)

OpenStudy (anonymous):

*94 = 2(3)w + 2(3)(5) + 2w(5)

OpenStudy (anonymous):

and then you have to get w alone.

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