SOLUTION: How much water must be added to 3 gallons of a 4% insecticide solution to reduce the concentration to 3%

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: How much water must be added to 3 gallons of a 4% insecticide solution to reduce the concentration to 3%      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 582359: How much water must be added to 3 gallons of a 4% insecticide solution to reduce the concentration to 3%
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How much water must be added to 3 gallons of a 4% insecticide solution to reduce the concentration to 3%
------------
3 gals of 4% --> 0.12 gals of insecticide
If 0.12 gals is 3%, then Vol*0.03 = 0.12
The total solution is
Vol = 0.12/0.03 = 4 gallons
-------
Add 1 gallon of water