SOLUTION: a pharmistist wishes to mix a solution that is 7% minoxidil. she has on hand 70ML of 6% solution and wishes to add 9% to obtain 7% solution. how much 9% solution is needed?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: a pharmistist wishes to mix a solution that is 7% minoxidil. she has on hand 70ML of 6% solution and wishes to add 9% to obtain 7% solution. how much 9% solution is needed?      Log On

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Question 827385: a pharmistist wishes to mix a solution that is 7% minoxidil. she has on hand 70ML of 6% solution and wishes to add 9% to obtain 7% solution. how much 9% solution is needed?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev

If that link on this page does not work, look for the lesson linked in my profile called "Mixture: one material quantity unknown".