You have mangled the question, but if I parse the meaning correctly, you need to check the amount of alcohol before and after mixing in the water:
.60(80) = .40(80+x)
A solution whose volume is 80% liters is made up of 40% of water and 60% of alcohol,When x liters of water is added the percentage of alcohol drops to 40% Find X
2 answers
Where is the answer