SOLUTION: How many liters of 20% acid solution should be mixed with 50% acid solution to obtain 12 liters of a 30% acid solution?

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Question 993573: How many liters of 20% acid solution should be mixed with 50% acid solution to obtain 12 liters of a 30% acid solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Same method as here, but just different values:
Only one variable needed for two-part mixture problem