An automobile gets 40 miles per gallon, and a gallon of fuel costs $4.00. What is the marginal fuel cost for a typical mile of driving with this vehicle?

Question

Quizplus · Accepted Answer

To find the marginal fuel cost per mile, we need to divide the cost of one gallon of fuel by the number of miles driven in one gallon. 
$4.00 / 40 miles = $0.10 per mile. 
Therefore, the answer is B.

An Automobile Gets 40 Miles Per Gallon, and a Gallon