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February 27, 2015

February 27, 2015

Posted by **Ashley V** on Tuesday, November 6, 2007 at 9:38pm.

a. if the dimensions of the room are 12 feet by 16 feet, write an equation to model the situation.

b. what are the dimesions of the rug?

- Algebra 2 -
**drwls**, Tuesday, November 6, 2007 at 9:56pmLet L be the long dimension of the rug and W be the narrow dimension.

L W = (1/2) 12 x 16 = 96

For equal borders all around,

16 - L = 12 - W

Solve those two simultaneous equations.

L - W = 4 = L - 96/L

L^2 -4L +96 = 0

(L-12)(L+8) = 0

Choose the positive root.

- Algebra 2 -
**logjam lug**, Sunday, April 14, 2013 at 8:36pmjsksjfnwns

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