SOLUTION: If 40 liters of an acid solution is 75% acid, how much pure acid is there in the mixture?

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Question 154570: If 40 liters of an acid solution is 75% acid, how much pure acid is there in the mixture?
Answer by BrittanyM(80) About Me  (Show Source):
You can put this solution on YOUR website!
All we need to do is find seventy-five percent of forty litsrs. So:

40+liters+%2A+.75+=+30+liters

Thirty liters of the acid solution are pure acid.