SOLUTION: I have one container of 50% solution and another container of 30% solution. How much of each are needed to obtain 200 liters of 40% solution?

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Question 263825: I have one container of 50% solution and another container of 30% solution. How much of each are needed to obtain 200 liters of 40% solution?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Since 40% is the center between 30 and 50, it's half of each.
100 liters of each.