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OpenStudy (anonymous):
the length of a rectangle is four times its width. If the area is 100 in^2, find its perimeter
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OpenStudy (anonymous):
Width = x Length = 4x Perimeter = 100 Now try making a equation first, then solve it.
OpenStudy (anonymous):
L = 4 W Area = L W = 100 Perimeter = 2 L + 2 W Start by replacing L with 4W to get everything in W terms.
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