21. To park a car at a short-term parking lot costs $1.75 for the 1st hour or any part thereof, $1.50 for the 2nd hour or any part thereof, and $0.75 for each additional hour or any part thereof after the 2nd hour. Your ticket shows that you parked your car in this lot from 10:47 a.m. to 4:35 p.m. on the same day. What is the cost of parking your car, according to this ticket?

(Note: Prices include all applicable sales tax.)

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

It can be seen from the question stem that this person parked for 5h and 38min in total. Because of the "thereof" in the original text, it is calculated as 6 hours. According to the pricing method in the question stem, the parking fee=1.75+1.5+0.75×4=6.25 $. Therefore E.