SOLUTION: A container has one gallon of vinegar and 2 gallons of oil. In order to change the mixture to 1/4 vinegar, how much oil should be added?

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Question 1123372: A container has one gallon of vinegar and 2 gallons of oil. In order to change the mixture to 1/4 vinegar, how much oil should be added?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Initial Mixture
1 Gallon Vinegar
3 Gallon Mixture


New Mixture
x Gallons of Added Oil
1 Gallon Vinegar from before
1%2F4 Vinegar
-
1%2F%283%2Bx%29=1%2F4

x%2B3=4
x=1--------Add 1 gallon of oil