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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Wednesday, December 19, 2012 at 1:17am.

- math -
**drwls**, Wednesday, December 19, 2012 at 2:22amLet X be what she started out with.

X-20 -(1/2)(X-20)-15 = 10

(1/2)(X-20) = 25

X-20= 50

X = 70

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