Math: If you will give that frame to a friend and put it in a box with a length of 12 in, width of 4 in and a height of 8 in, how much wrapping paper will it take to cover the box?
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Answer:
surface area = 2lw + 2lh + 2hw = 2(lw+lh + hw) = 2(12x8 + 12x4 + 4x8) = 2(96+48+32) = 2(176) = 352 square inches
divide by 144 to convert to square feet = 352/144 = 2 4/9 ft^2= 2.4 square feet, rounded to one decimal place
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