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OpenStudy (anonymous):
An open box is formed by cutting a 5 inch square measured from each corner and folding up the sides. If the volume of the carton is then 40 in3, what was the length of a side of the original square of cardboard?
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OpenStudy (anonymous):
The height is 5. The original side is x. The new side x -10. The base is a square of side x-10 and the height is 5. How much is the volume in term of x? Set it equal to 40 and solve for x
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