SOLUTION: A solution is made of water and pure acid. If 75% of the solution is water, how many litters of pure acid are in 20 litters of this solution?

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Question 756084: A solution is made of water and pure acid. If 75% of the solution is water, how many litters of pure acid are in 20 litters of this solution?
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Since 75% is water, 25% is acid and we can write

025*20=5
5 liters is acid