Question

You have 8 liters of a 60% alcohol solution. How many liters of water should be added to make a 35% alcohol solution?.

Answer 1

amount of water to be added --- x L

.6(8) + 0x = .35(8+x)
4.8 = 2.8 + .35x
.35x = 2
x = appr 5.71 L