SOLUTION: How many quarts of water must be added to 18 quarts of 32% alcohol solution to dilute it to a solution that is only 12% alcohol?

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Question 962432: How many quarts of water must be added to 18 quarts of 32% alcohol solution to dilute it to a solution that is only 12% alcohol?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
How many quarts of water must be added to 18 quarts of 32% alcohol solution to dilute it to a solution that is only 12% alcohol?
:
Let w = the amt of water to accomplish this
.32(18) = .12(w + 18)
5.76 = .12w + 2.16
5.76 - 2.16 = .12w
3.60 = .12w
w = 3.6/.12
w = 30 qts of water required