SOLUTION: How much water should be added to 20mL of 13% alcohol solution to reduce the concentration to 10%?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: How much water should be added to 20mL of 13% alcohol solution to reduce the concentration to 10%?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 488103: How much water should be added to 20mL of 13% alcohol solution to reduce the concentration to 10%?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
How much water should be added to 20mL of 13% alcohol solution to reduce the concentration to 10%
**
let x=ml of water to be added to 20 ml of 13% solution.
x+20= ml of 10% solution
13%*20=10%*(x+20)
2.6=0.1x+2
0.1x=0.6
x=6 ml