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Cutting Squares from a Sheet of Cardoard to Make an Open Top Box

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Thomas is going to make an open-top box by cutting equal squares from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square inches, then what size square should be cut from each corner?

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Solution Summary

Cutting squares from a sheet of cardoard to make an open-top box is investigated.

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Suppose the size of each corner square is x inches, then the base is 11-2x inch by 14-2x inch ...

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