Posted by **Jessica** on Friday, April 8, 2011 at 6:22pm.

An open box is to be constructed so that the length of the base is 4 times larger than the width of the base. If the cost to construct the base is 5 dollars per square foot and the cost to construct the four sides is 3 dollars per square foot, determine the dimensions for a box to have volume = 25 cubic feet which would minimize the cost of construction.

Values for dimension of the base are: ?

The height of the box is: ?

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