the sum of the length and width of a rectangle is 80 inches. Find the dimensions for which the area is a maximum. ?
I would need a step by step . please
I would need a step by step . please
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The greatest area would be when the rectangle is actually a square.
L + W = 80
L = 40, and W = 40
Area = 40^2 = 1600 square inches
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L + W = 80
L = 40, and W = 40
Area = 40^2 = 1600 square inches
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