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September 18, 2014

September 18, 2014

Posted by **Ilgan** on Sunday, November 6, 2011 at 11:36pm.

- Mathematics -
**PsyDAG**, Sunday, November 6, 2011 at 11:43pmLet x = daughter's age, then x+21 = mother's age.

x = (x+21)/4

Solve for x.

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