SOLUTION: an open box is to be constructed from a square piece of sheet metal by removing a square side of 5 feet from each corner and turning up the edges. If the box is to hold 720 cubic f

Question 1095553: an open box is to be constructed from a square piece of sheet metal by removing a square side of 5 feet from each corner and turning up the edges. If the box is to hold 720 cubic feet, what should the dimensions of the sheet metal be?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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Volume = 5*(x-10)*(x-10) = 720. ====> = = 144 ====> x-10 = = 12 ====> x = 22 feet. Answer. Dimensions of the square metal should be 22 ft x 22 ft.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Sheet is square shape, x for each side.

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The solution which makes sense is , for the dimension of length and of the width.
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