SOLUTION: how many pints of a 14% isotrpphic alchohol solution should jerry mix with 15 pints of a 5% isotrophic alchohol solution to get a mixture that is 11% isotrophic alchohol?

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Question 720827: how many pints of a 14% isotrpphic alchohol solution should jerry mix with 15 pints of a 5% isotrophic alchohol solution to get a mixture that is 11% isotrophic alchohol?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
y pints of 14% and x pints of 5%. Want 11%.

%285x%2B14y%29%2F%2815%29=11 and x%2By=15. Find x and y.