SOLUTION: how much of a 40% solution would you need to combine with a 15% solution to get 30 ounces of 20% solution

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Question 291332: how much of a 40% solution would you need to combine with a 15% solution to get 30 ounces of 20% solution

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Try word problem mixture category. Categories are important.