SOLUTION: How many ounces of a 20% alcohol solution must be mixed with 8 ounces of a 25 % alcohol solution to make a %21% alcohol​ solution?
The amount of 20 %20% alcohol solution
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Question 1087794: How many ounces of a 20% alcohol solution must be mixed with 8 ounces of a 25 % alcohol solution to make a %21% alcohol solution?
The amount of 20 %20% alcohol solution is ...... ? ounces.
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Let n be the amount of 20% solution. Then:
0.2n+8(0.25)=0.21(n+8)
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