SOLUTION: How many liters of water must be added to 30 L of a 20% chlorine solution to dilute it to a 15% chlorine solution?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: How many liters of water must be added to 30 L of a 20% chlorine solution to dilute it to a 15% chlorine solution?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 815460: How many liters of water must be added to 30 L of a 20% chlorine solution to dilute it to a 15% chlorine solution?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.2*30=.15*(30+x)
6=4.5+.15x
1.5=.15x
10=x