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May 27, 2015

Homework Help: math

Posted by tasha on Tuesday, May 11, 2010 at 7:53pm.

Suppose that the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 50 inches. The formula for the perimeter of a rectangle is P=2L+2W.
a) Set up an equation for the perimeter involving only L, the length of the rectangle.

B) Solve this equation algebraically to find the length of the rectangle. Find the width as well.

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