SOLUTION: Thomas is going to make an open -top box by cutting squares from four coners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be

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He starts with an area of in2
The area of the bottom is to be in2
The area of the sides and the removed corners is
If I call the side of the removed square ,
then the four sides plus the four removed squares is





solve by completing the square


in answer
or, using calculator,
in