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March 29, 2015

March 29, 2015

Posted by **JERMAINE** on Tuesday, February 9, 2010 at 3:38pm.

- MATHS -
**drwls**, Tuesday, February 9, 2010 at 4:40pmLet m be the math book cost (in dollars) and e be the english book cost (also in dollars). Solve these two equations simultaneously:

25m + 10e = 855

10m + 40e = 855 + 135 = 990

100m + 40e = 3420

90m = 2430

m = 27

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