Cutting 7-inch-long squares from a square piece of cardboard and folding up the edges, you want to make an open box (without lid) with a square bottom, a height of 7 inches, and a volume of 252 cubic inches. What should be the dimension of the cardboard?

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The Answer of Cutting 7-inch-long squares from a square piece of cardboard and folding up the edges, you want to make an open box (without lid) with a square bottom, a height of 7 inches, and a volume of 252 cubic inches. What should be the dimension of the cardboard?

Cutting 7-Inch-Long Squares from a Square Piece of Cardboard and Folding