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March 1, 2015

March 1, 2015

Posted by **Amber** on Monday, January 14, 2008 at 10:28pm.

dealing with- graphing, subst., and elimin.

- Algebra -
**Reiny**, Monday, January 14, 2008 at 11:26pmlet x L represent the volume of the 30% solution, then 200 - x L would be the 50% solution

then...

.3x + .5(200-x) = .42(200)

solve....

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