A persons car uses 7 gal of gasoline to travel 1 5 6 mi . He has 6 gal of gasoline in the car, and
A persons car uses gal of gasoline to travel mi He has gal of gasoline in the car, and he wants to know how much more gasoline he would need to drive miles. If we assume that the car continues to use gasoline at the same rate, how many more gallons would he need?
