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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Wednesday, November 14, 2012 at 3:24pm.

- algebra -
**Reiny**, Wednesday, November 14, 2012 at 4:02pmchild now --- x

in 10 years --- x+10

x+10 = 3x

2x = 10

x=5

child is now 5

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