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April 21, 2015

April 21, 2015

Posted by **Sarah** on Friday, January 22, 2010 at 5:07pm.

- algebra -
**Damon**, Friday, January 22, 2010 at 5:20pm5r-3s=14 times 3

3r+5s=56 times 5

15 r - 9 s = 42

15 r + 25s = 280

-----------------

0 r - 34 s = - 238

so

s = 238/34 which is 7

go back and get r

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