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January 27, 2015

January 27, 2015

Posted by **jyt** on Sunday, August 10, 2014 at 4:11pm.

- Math -
**Damon**, Sunday, August 10, 2014 at 4:42pmc + a = 20 so c = 20-a

12 c + 18 a = 246

12(20-a) + 18 a = 246

240 -12 a + 18 a = 246 etc

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