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January 29, 2015

January 29, 2015

Posted by **Mike** on Monday, November 15, 2010 at 5:18pm.

- Math -
**PsyDAG**, Tuesday, November 16, 2010 at 3:38pmS = 2A

7A + 3S = 1625

Substitute 2A for S in second equation and solve for S. Insert that value into the first equation and solve for A. Check by inserting both values into the second equation.

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