SOLUTION: 15liters of 96% alcohol added 20 liters of water,what is the alcohol %?

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Question 879455: 15liters of 96% alcohol added 20 liters of water,what is the alcohol %?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi  

         water = water

.04(15L) + 20L = P(15L+20L)

   20.6/35 = P (of water) = .5886

alcohol: 1 - .5586 = .4114  0r 41.44%