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posted by andrew on Friday, February 11, 2011 at 10:49am.
the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?
P = 2L + 2W 80 = 2(W + 10) + 2W 80 = 4W + 20 60 = 4W 15 = W
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