SOLUTION: How many liters of a 1% solution must be added to 12 liters of a 4%solution to obtain a 2% solution?
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Question 783376: How many liters of a 1% solution must be added to 12 liters of a 4%solution to obtain a 2% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of 1% solution needed
= liters of chemical in 1% solution
liter of chemical in 4% solution
------------------
24 liters of 1% solution are needed
check:
OK
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