SOLUTION: how many ounces of a 45% alcohol solution must be mixed with 10 ounces of a 50% alcohol solution to make a 47% alcohol solution

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Question 899081: how many ounces of a 45% alcohol solution must be mixed with 10 ounces of a 50% alcohol solution to make a 47% alcohol solution
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi



Let x represent how many ounces of a 45% alcohol solution that must be mixed 

.45x + .50(10oz) = .47(10oz + x)

          .03(10oz)/.02 = x, ounces of a 45% alcohol solution that must be mixed