SOLUTION: how much alcohol should be added to 1 liter of a 30% alcohol solution to get a 50% solution?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: how much alcohol should be added to 1 liter of a 30% alcohol solution to get a 50% solution?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 819226: how much alcohol should be added to 1 liter of a 30% alcohol solution to get a 50% solution?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.30(1)+x=.5*(1+x)
.3+x=.5+.5x
.5x=.2
x=.4