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January 28, 2015

Homework Help: Math: Calculus

Posted by REALLY NEED HELP!!! on Monday, November 1, 2010 at 5:46pm.

A fence is to be built to enclose a rectangular area of 230 square feet. The fence along three sides is to be made of material that costs 5 dollars per foot, and the material for the fourth side costs 15 dollars per foot. Find the dimensions of the enclosure that is most economical to construct.

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