Answer
The annual fuel expense can be computed using the equation as shown below:
$\text{Annual Fuel Expense}=\frac{\text{Annual Miles Driven}}{\text{Miles Per Gallon}}\times \text{Price Per Gallon}$
Work Step by Step
In order to determine the annual fuel expense, firstly compute the annual miles driven by car and divide it with the miles per gallon. In this way, one will be able to get the estimated miles for which the car has been driven. Now, multiply the figure so arrived earlier with the price per gallon to finally get the amount of annual fuel expenses.
The Annual fuel expense can be estimated with the below given formula:
$\text{Annual Fuel Expense}=\frac{\text{Annual Miles Driven}}{\text{Miles Per Gallon}}\times \text{Price Per Gallon}$