SOLUTION: How many liters of a 60% acid solution must be mixed with a75% acid solution to get 20 L of a 72% solution?

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Question 1002014: How many liters of a 60% acid solution must be mixed with a75% acid solution to get 20 L of a 72% solution?
Answer by ikleyn(52775) About Me  (Show Source):
You can put this solution on YOUR website!
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Similar problem was solved in the lesson  Solving typical word problems on mixtures for solutions  in this site  (Problem 1).

Read it attentively and then substitute your data.