Find the length l and width w

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Reference no: EM13188226

A fence is to be built to enclose a rectangular area of 310 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 13 dollars per foot. Find the length L and width W (with W leq L) of the enclosure that is most economical to construct.

Reference no: EM13188226

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