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Mathematics, 15.04.2020 08:58 bigboy43

A box is to be made by cutting the corners of a square piece of cardboard and folding the edges up. If 3-inch square are to be cut out of the corners and the box will hold 243 cubic inches, what is the length of a side of the original cardboard square?

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A box is to be made by cutting the corners of a square piece of cardboard and folding the edges up....
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