SOLUTION: How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 70% solution?
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Question 525770: How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 70% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
let = liters of 20% solution needed
given:
liters of alcohol in 90% solution
= liters of alcohol in 20% solution
---------------------------------
24 liters of 20% solution are needed
check answer:
OK
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