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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Thursday, May 6, 2010 at 7:58pm.

- math -
**mia**, Thursday, May 6, 2010 at 8:32pm.024 divided by .235

- math -
**Anonymous**, Thursday, May 6, 2010 at 8:41pmhow did you get that

- math -
**Reiny**, Thursday, May 6, 2010 at 9:34pmlet the amount of 10% solution be x ml

then the amount of 15% solution must be 100-x ml

.10x + .15(100-x) = .12(100)

10x + 15(100-x) = 12(100)

10x + 1500 - 15x = 1200

-5x = -300

x = 60

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