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December 19, 2014

December 19, 2014

Posted by **math** on Thursday, August 2, 2012 at 10:53am.

- algebra -
**drwls**, Thursday, August 2, 2012 at 10:58am2W + 2L = 80

L = 5W + 4

Solve for length L and width W.

Using substitution,

2W + 2(5W +4) = 80

12 W = 72

W = 6

L = 34

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