Thomas E. answered 03/21/18
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Tom E., a Patient and Knowledgeable Mathematics Tutor for You
You could find the distance each station is from a common point (say your home). Then graph the distance from your home on the x axis and the price per gallon on the y axis and uses the data to decide which is the best deal for yoy. For instance if the the cheapest gas is 30 miles away but there is a station that is only 10 cents more that is 5 miles away, it makes more sense to use the closer station.
Christian M.
03/21/18