SOLUTION: how many liters of 30% acid solution should be mixed with ten liters of 70% acid solution to get a 60% solution

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Question 528204: how many liters of 30% acid solution should be mixed with ten liters of 70% acid solution to get a 60% solution
Answer by solver91311(24713) About Me  (Show Source):
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Let represent the number of liters of 30% solution to be added. Then is the amount of acid in the 30% solution. Likewise, is the amount of acid in the 10 liters of 70% solution, and is the amount in the mixture. So:



Solve for .

John

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