Homework Help: math

Posted by calvin on Wednesday, May 9, 2012 at 9:06pm.

The perimeter of a rectangular painting is 266 centimeters. If the length of the painting is 77 centimeters, what is its width?

math - Ms. Sue, Wednesday, May 9, 2012 at 9:09pm
P = 2L + 2W

266 = 2(77) + 2W

266 = 154 + 2W

266 - 154 = 2W

112 = 2W

? = W

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