SOLUTION: how much distilled water must be added to 4 pints of 65% alcohol to make a mixture of 50% alcohol

Question 712055: how much distilled water must be added to 4 pints of 65% alcohol to make a mixture of 50% alcohol
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
All volumes will be as pints. The information given also suggests concentrations are %volume/volume. My solution (answer) assumes that. The water contains 0% alcohol.

P= 65%
T= 50%
V= 4 pints
v = unknown volume to add

Equation:

Substitute the values:
=60/50
pints
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