Question

A car can travel 160 miles on 4 gallons of gasoline. How far can the car travel on 1 gallon of gasoline?

Answer 1

you would have to subtract or sum

Answer 2

or divide im dum

Answer 3

If 4 gallons take you 160 miles, then
1 mile will take you 160/4 or 40 miles

or, use a ratio

160/4 = x/1
4x = 160
x = 160/4 = 40 miles