An open box is to be constructed from a square piece of sheet metal by removing a square of side 4 feet from each corner and turning up the edges. If the box is to hold 256 cubic feet, what should be the dimensions of the sheet metal?
An open box is to be constructed from a square piece of sheet metal by removing a square of side 4 feet from each corner and turning up the edges. If the box is to hold 256 cubic feet, what should be the dimensions of the sheet metal?
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