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March 28, 2015

March 28, 2015

Posted by **Kate** on Tuesday, September 7, 2010 at 4:02pm.

- Algebra -
**Reiny**, Tuesday, September 7, 2010 at 4:45pmnumber of boxes of books ---> x

number of boxes of clothing ---> 20-x

solve

40x + 7(20-x) = 404

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