SOLUTION: a pharmacist needs to strengthen 15% alcohol solution to one of 32% alcohol. How many pure alcohol should be added to 400ml to the solution?

SOLUTION: a pharmacist needs to strengthen 15% alcohol solution to one of 32% alcohol. How many pure alcohol should be added to 400ml to the solution?

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Question 974595: a pharmacist needs to strengthen 15% alcohol solution to one of 32% alcohol. How many pure alcohol should be added to 400ml to the solution?

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Two-Part Mixture, One Part Known. http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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