SOLUTION: A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters of each were used to make 20 L of a 30% disinfectant solution?

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Question 880712: A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters of each were used to make 20 L of a 30% disinfectant solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This and your other two mixture questions are of this same type, and the general solution (meaning how to answer the question and the solving process) is the same for each of them.

This lesson shows how to solve this kind of problem. Mixing two concentrations for known amount of mixture