Homework Help: math

Posted by James on Tuesday, August 17, 2010 at 9:28pm.

A rectangular Persian carpet has a perimeter of 240 inches. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet? Use P = 2L + 2W.

math - Ms. Sue, Tuesday, August 17, 2010 at 9:38pm
L = 30 + W

P = 2L + 2W

240 = 2(30 + W) + 2W
240 = 60 + 2W + 2W
240 - 60 = 60 - 60 + 4W
180 = 4W
45 = W

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