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July 28, 2014

July 28, 2014

Posted by **Laurie** on Friday, April 3, 2009 at 8:20pm.

- Math -
**Reiny**, Friday, April 3, 2009 at 11:43pmd+n=19

10d + 5n = 145

divide this second equation by 5

2d + n = 29

subtract the first from the second...

easy.....

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