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September 17, 2014

Homework Help: math

Posted by Anonymous on Tuesday, April 2, 2013 at 5:42pm.

A lab needs a 20 liters of a 15% acid solution. The lab only has a 10% acid solution and a 30% acid solution. How much of the 10% acid solution will they need to mix with the 30% solution to obtain 20 liters of a 15% solution?

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