Posted by **saud** on Friday, November 11, 2011 at 5:32pm.

A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $4 per square foot and the metal for the sides costs $4 per square foot. Find the dimensions that minimize cost if the box has a volume of 50 cubic feet.

Length of base x=........

Height of side z= .....

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