SOLUTION: How many ounces of a 5 % alcohol solution must be mixed with 18 ounces of a 10 % alcohol solution to make a 6 % alcohol​ solution?

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Your basic equation is THIS :


    0.05x + 0.10*18 = 0.06*(x+18)


Its solution is THIS :


    x =  = 72.


ANSWER.  72 ounces.