SOLUTION: a solution is 30% chlorine and another solution is 60% chlorine.how many liters of each solution should you use to make 120 liters of a solution that is 40% chlorine

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: a solution is 30% chlorine and another solution is 60% chlorine.how many liters of each solution should you use to make 120 liters of a solution that is 40% chlorine      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 368875: a solution is 30% chlorine and another solution is 60% chlorine.how many liters of each solution should you use to make 120 liters of a solution that is 40% chlorine
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let A be the amount of 30% solution, B the amount of 60% solution.
1.A%2BB=120
.
.
30A%2B60B=40%28120%29
2.A%2B2B=160
Subtract eq. 1 from eq. 2,
A%2B2B-A-B=160-120
highlight%28B=40%29liters
.
.
From eq. 1,
A%2B40=120
highlight%28A=80%29liters