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April 18, 2015

April 18, 2015

Posted by **Alicia** on Friday, November 16, 2007 at 10:15pm.

Set up an equation involving only L, the length of the rectangle.

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

Lenght Width

- College Algebra -
**Michael**, Friday, November 16, 2007 at 10:22pmLet w be the width of the rectangle.

L = w + 3

(L - 3 = w)

2L + 2w = 78

2L + 2(L-3) = 78

2L + 2L - 6 = 78

4L = 84

L = 21 in.

W = L - 3 = 21 - 3 = 18 in.

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