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December 21, 2014

December 21, 2014

Posted by **Kelsie** on Wednesday, August 17, 2011 at 1:54am.

- Math -
**Damon**, Wednesday, August 17, 2011 at 6:23amsister age = s

cousin age = c

c - s = 26

c s = 560 so c = 560/s

560/s - s - 26 = 0

560 - s^2 - 26 s = 0

s^2 + 26 s - 560 = 0

solution is a complex number, no real solution is possible.

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