Monday
March 30, 2015

Homework Help: algebra HELP

Posted by hannah on Sunday, May 31, 2009 at 11:05am.

mary has a solution that is 60% alcohol and another that is 20% alcohol. how much of each should she use to make 100 milliliters of a solution that is 52% alcohol?

please help, I don't understand how to do this problem!

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