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(1 point) A fence is to be built to enclose a rectangular area of 310 square...
(1 point) 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 6 dollars per foot, and the material for the fourth side costs 14 dollars per foot. Find the length L and width W (with W≤L ) of the enclosure that is most economical to construct.
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