SOLUTION: how many ounces of pure acid added to 20 ounces of a solution that is 5% acidic to strengthen it to a solution that is 24%acidic

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Question 615797: how many ounces of pure acid added to 20 ounces of a solution that is 5% acidic to strengthen it to a solution that is 24%acidic
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(100%)(x) + (5%)(20) = (24%)(20 + x)