SOLUTION: 8 fl.oz. of an alcohol solution was mixed with 2 fl. oz. of pure water to make a 40% alcohol solution. Find the percent concentration of the first solution

Question 898675: 8 fl.oz. of an alcohol solution was mixed with 2 fl. oz. of pure water to make a 40% alcohol solution. Find the percent concentration of the first solution
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi
8p + 2(1) = .40(10)
p = 2/8 0r 25%
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of alcohol in 1st solution

The concentration
of the 1st solution is 50%
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