Question: A fence is to be built to enclose a rectangular area of 800 square feet. The fence along three sides is to be made of

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along three sides is to be made of material that costs $3 per foot. The material for the fourth side costs $9 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be built. . .... The short side is it and the long side is ft

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