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July 29, 2014

July 29, 2014

Posted by **tera** on Wednesday, February 11, 2009 at 5:54pm.

- Pre algebra -
**drwls**, Wednesday, February 11, 2009 at 7:42pmx + y = 42

18x + 54y = 1532

Solve that pair of equations for x (the number of scientific calculators) and y (the number of graphing calculators)

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