A solution contains 12 milliliters of alcohol and 16 milliliters of water. If another solution is to have the same concentration of alcohol in water but is to contain 32 milliliters of water, how much alcohol must it contain?
A) 24 milliliters
B) 20 milliliters
C) 19 milliliters
D) 17 milliliters
E) 22 milliliters

Question

Quizplus · Accepted Answer

The concentration of alcohol in the first solution is 12 ml of alcohol to 16 ml of water, which simplifies to a 3:4 ratio. To maintain this ratio with 32 ml of water in the second solution, the amount of alcohol needed is (3/4) * 32 ml = 24 ml.

A Solution Contains 12 Milliliters of Alcohol and 16 Milliliters