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April 21, 2015

April 21, 2015

Posted by **Anonymous** on Tuesday, April 24, 2012 at 9:42am.

- Mathematics -
**Damon**, Tuesday, April 24, 2012 at 10:12ammary = x

johan = x+20

John = x+50

3 x + 70 = 250

3 x = 180

x = 60 = Mary

x+20 = 70 = johan

x+50 = 110 = John

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