The manager of a company has to order new engines for its delivery trucks after the trucks have been driven 150,000 miles. One of the delivery trucks currently has 119,866 miles on it. This truck has the same delivery route each week and is driven an average of 40,000 miles each year. At this rate, the manager should expect this truck to reach 150,000 miles in approximately how many months?
A)Less than 4 months
B)Between 4 and 6 months
C)Between 6 and 8 months
D)Between 8 and 10 months
E)More than 10 months

Question

Quizplus · Accepted Answer

The truck needs 150,000 - 119,866 = 30,134 more miles to reach 150,000 miles. At a rate of 40,000 miles per year, monthly mileage is 40,000 / 12 ≈ 3,333 miles. To reach 30,134 miles at this rate, it would take 30,134 / 3,333 ≈ 9 months, which falls between 8 and 10 months.

The Manager of a Company Has to Order New Engines