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September 17, 2014

Homework Help: calculus

Posted by Jeff on Saturday, July 30, 2011 at 11:08am.

7. A cardboard box manufacturer wishes to make open boxes from rectangular pieces of cardboard with dimensions 40 cm by 60 cm by cutting equal squares from the four corners and turning up the sides. Find the length of the side of the cut-out square so that the box has the largest possible volume. Also, find the volume of the box.

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