M: We want to take a train to New York. W: Regular or express train? M: How much time would I save if we took the express? W: About one hour. The next express train arrives in New York at 3:15. M: And how much more do I have to pay for the express? W: First class is 24 dollars more, and second class is 15 dollars more. M: As long as we can arrive one hour earlier, I don't mind paying a little extra. Then give me one second class ticket on the express, please. W: OK, one second class ticket. Here you are. M: Thank you., Question: How much more does the man have to pay for the first class express? (A) 24 dollars. (B) 15 dollars. (C) 20 dollars.
(A) 24 dollars.