Question

A car travels 18 miles per gallon of gas used. Which equation best represents the proportional relationship between the y miles that the car has traveled and the x gallons of gasoline that it has used?

y = StartFraction 18 over x EndFraction
y = 18 x
y = StartFraction x over 18 EndFraction
y = x + 18

Answer 1

This should help you out Y=18x

Answer 2

y=18x

Explanation:

For every 18 miles you travel, you use 1 gallon of gas.