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October 21, 2014

October 21, 2014

Posted by **Sammy** on Friday, December 7, 2012 at 9:00pm.

- Math -
**Mac**, Friday, December 7, 2012 at 9:44pmQ = 11 + D

25Q + 10D = 765

- Math -
**PsyDAG**, Saturday, December 8, 2012 at 12:14pmSubstitute 11+D for Q in second equation and solve for D. Insert that value into the first equation and solve for Q. Check by inserting both values into the second equation.

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