SOLUTION: How many liters of a 20% acid solution must be added to 100 liters of a 50% acid solution to get a 40% solution?
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Question 410167: How many liters of a 20% acid solution must be added to 100 liters of a 50% acid solution to get a 40% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of 20% solution needed
given:
= liters of acid in 20% solution
= liters of acid in 50% solution
50 liters of 20% solution must be added
check:
OK
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