SOLUTION: A chemist needs 12 liters of a 10% alcohol solution but has only a 15​% alcohol solution. How many liters each of the 15​% solution and water should i mix to make the d

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Question 1118745: A chemist needs 12 liters of a 10% alcohol solution but has only a 15​% alcohol solution. How many liters each of the 15​% solution and water should i mix to make the desired 12 liters of 10​% ​solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, liters of 15% alcohol
;
The action would be to dilute some of the 15% to 10% using water.

%2815x%29%2F12=10, OR if preferred, %280.15x%29%2F12=0.1

Just solve for x.
Volume of water in liters would be 12-x.