SOLUTION: How much 10% alcohol solution should be mixed with 14 ounces of 18% solution to get a 12% solution?

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Question 1161240: How much 10% alcohol solution should be mixed with 14 ounces of 18% solution to get a 12% solution?
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52788) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
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How much 10% alcohol solution should be mixed with 14 ounces of 18% solution to get a 12% solution?
Let amount of 10% alcohol to mix, be T

Then we get: .1T + .18(14) = .12(T + 14)

.1T + 2.52 = .12T + 1.68

.1T - .12T = 1.68 - 2.52

- .02T = - .84

Amount of 10% solution to mix, or