Question 340917: how much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 65% antifreeze? Answer by nerdybill(7384) (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 65% antifreeze?
.
Let x = gallons of water added
then
0x + 1(1) = .65(1 + x)
1 = .65(1 + x)
1 = .65 + .65x
.35 = .65x
.35/.65 = x
.54 gallons = x
