Two cars left the same town traveling in the same direction. Car A traveled 40 miles per hour and left at 3:20. Car B traveled 50 miles per hour and left at 4:40. At what time will car B catch up with car A
A: 10:00
B: 9:00
C: 8:40
D: 7:20
E: (E) 6:10
A: 10:00
B: 9:00
C: 8:40
D: 7:20
E: (E) 6:10
举一反三
- The time it took car P to travel 600 miles was 2 hours less than the time it took car R to travel the same distance. If car P’s average speed was 10 miles per hour greater than that of car R, what was car R’s average speed, in miles per hour ？（） A: 40 B: 50 C: 60 D: 70 E: 80
- The car is traveling __________ 40 kilometers per hour.
- A car travels 20 miles at 30 mph, then 10 miles at 60 mph. What is the mean speed for the whole journey of 30 miles A: 36 B: 40 C: 42 D: 45
- Listen to the following ten statements and choose the answers closest in meaning to tem.[音频]Jack got up at 7:00, left home at 8:00 and arrived at the office at 8:40. A: Jack got up at 7:30. B: Jack left home at 7:00. C: Jack spent an hour getting to work. D: Jack spent 40 minutes getting to the office.
- This kind of car can run _____ the speed of 80 miles per hour. A: at B: by C: to D: on