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OpenStudy (anonymous):
A rectangular pond is 21 ft squared in area. If the owner can surround the pond with a 20-foot fence, what are the dimensions of the pond?
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OpenStudy (anonymous):
You have two equations. Area = l*w = 21 Perimeter = l + l + w + w = 20 re-arrange the area equation to solve for l or w, (l=21/w) 21/w + 21/w + w + w = 20 solve for l and w
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