SOLUTION: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze?

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Question 803689: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze?
.6(w+1) = 1
.6w + .6 = 1
.6w = 1 - .6
.6w = .4
w = .4/.6
w = 2%2F3 gal of water required to have 60% solution