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January 27, 2015

January 27, 2015

Posted by **Gabi** on Sunday, February 27, 2011 at 11:12pm.

- math -
**PsyDAG**, Monday, February 28, 2011 at 10:18amLet x = the increase.

(4+x)(7+x) - 4*7 = 26

Solve for x.

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