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April 20, 2014

April 20, 2014

Posted by **Megan Brown** on Wednesday, January 26, 2011 at 3:48pm.

- Algebra -
**helper**, Wednesday, January 26, 2011 at 4:25pmx = lbs of cheaper coffee

2.75x = value of cheaper

100 - x = lbs of better coffee

5(100 - x) = value of better

100 = lbs of mixture

3.90(100) = value of mixture

2.75x + 5(100 - x) = 3.90(100)

Solve for x, lbs of cheaper

100 - x = lbs of better

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