Question

There are 18 gallons of gas in a car at the

beginning of a trip. Each hour into the trip,
2.5 gallons are used. Write an equation to
represent the gas left in the car atter each
hour into the trip. Identify your variables.

Answer 1

18/2.5 = 7.2

Explanation:

Since there are 18 gallons at the beginning of the trip you divide by 2.5 to find out how much gas is left after each hour.