Sunday

December 21, 2014

December 21, 2014

Posted by **Doodle** on Saturday, January 22, 2011 at 2:01pm.

- algebra -
**helper**, Saturday, January 22, 2011 at 2:36pmx = lbs of cheaper coffee

10x = value of cheaper coffee

4 = lbs of better coffee

4 * 20 = 80 = value of better coffee

20 + x = lbs of mixture

5(20 + x) = value of mixture

10x + 80 = 5(20 + x)

Solve for x

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