In Solution P, the proportion of water to alcohol is 5:1. In Solution Q, the proportion of water to alcohol is 2:1. If the two solutions are combined, what is the concentration of alcohol in the new solution if the original solutions were mixed in equal amounts?	Choose the correct answer:
A) 21%
B) 23%
C) 25%
D) 27%
E) 29%
Let V be the total volume of the new solution.   The amount of alcohol added from Solution P is (1/6)*V/2=(1/12)*V   The amount of alcohol added from Solution Q is (1/3)*V/2=(1/6)*V   The total amount of alcohol in the new solution is (1/12+1/6)*V=(1/4)*V   The alcohol concentration is 1/4=25%   The answer is 25%.
<result>C</result>
In Solution P, the proportion of water to alcohol is 5:1. In Solution Q, the proportion of water to alcohol is 2:1. If the two solutions are combined, what is the concentration of alcohol in the new solution if the original solutions were mixed in equal amounts?