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

Algebra ->  Customizable Word Problem Solvers  -> Travel -> 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      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

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) About Me  (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)
☺☺☺☺