SOLUTION: An amount of 40% acid solution is to be mixed with enough 10% acid solution to make 25% acid solution. If there are to be 20 litres of the final mixture, how much of each solution

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Question 363962: An amount of 40% acid solution is to be mixed with enough 10% acid solution to make 25% acid solution. If there are to be 20 litres of the final mixture, how much of each solution should be mixed together?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
25 is the average of 40 and 10, so it's equal amounts.
--> 10 liters of each