SOLUTION: How many liters of a 40% solution must be mixed with 60 liters of a 70% solution to get a 50% solution?
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Question 587821: How many liters of a 40% solution must be mixed with 60 liters of a 70% solution to get a 50% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of 40% solution needed
liters
given:
120 liters of the 40% solution are needed
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