SOLUTION: Mixture Problem: A solution has 60% acid in it, and another solution has 90% acid in it. You take 20 liters of 60% solution, how many liters of 90% solution do you need in order t

Question 897310: Mixture Problem: A solution has 60% acid in it, and another solution has 90% acid in it. You take 20 liters of 60% solution, how many liters of 90% solution do you need in order to make a solution t
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
...solution t,
What?

Let v= volume of 90% acid to use.

t would mean, percent acid of the mixture, and you must know what this is. Solving for v is then possible.

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