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August 28, 2015

Homework Help: Algebra (please help!)

Posted by Faith on Friday, May 29, 2009 at 9:57pm.

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.

I totally forget how to do this kind of problem. Please help if you can! Thank you so much! :)

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