# SOLUTION: How many ounces of a 25 percent saline solution must be added to 50 ounces of a 13 percent saline solution to make a 20 percent saline solution?

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 Question 460541: How many ounces of a 25 percent saline solution must be added to 50 ounces of a 13 percent saline solution to make a 20 percent saline solution?Answer by jorel1380(2518)   (Show Source): You can put this solution on YOUR website!.25n+50(.13)=.2(n+50) .25n+6.5=.2n+10 .05n=3.5 n=3.5/.05=70 You need 70 ozs. of 13% solution to make your mix..