A and B leave from a and B at the same time. After 5 hours, they meet each other and continue to move forward. After 3 hours, a arrives at B. at this time, B is 240 kilometers away from A. how many kilometers are there between a and B?

A: the distance between a and B is 600 km

The fast and slow trains run from AB to ab at the same time. After five hours, they meet. After meeting, they continue to drive at the same speed, and after three hours, the fast train% 2
The fast train and the slow train depart from ab at the same time. After five hours, they meet. After meeting, they continue to drive at the original speed, and after three hours, the fast train is 12% of the whole distance. Now the slow train is running 432. How much is the whole distance

Let the idle speed be X: then (5 + 3) x = 432, x = 54,
Let the speed of express train be y and the whole journey be l; then (5 + 3) y = (1-12%) l; (x + y) * 5 = L, so y = 66, then l = 600, over!

RELATED INFORMATIONS

1. The speed of the full train is two-thirds of that of the express train. The two trains meet each other six hours after leaving and continue to move forward. The express train is several hours earlier than the slow train
2. The length of the railway from a to B is about 1464 kilometers. A fast train from a to B takes five twelfth of the whole journey in five hours. How many kilometers are there from B?
3. The railway from a to B is 675km long. A train leaves from a to B at 5:30pm on the first day, with an average of 45km per hour When does the train arrive at B?
4. The railway from a to B is 700 kilometers long. A train leaves from a to B at 5:30 p.m. on the first day. The average train runs 200 kilometers per hour. When is the train Waiting to get to B?
5. For the sixth time, the train increased its speed from 180 km / h
6. When China's train speed was raised for the sixth time, the average train speed was increased from 160 km / h to 200 km / h, an increase of 10%
7. The train speed on the main line has increased from an average of 160 km / h to an average of 200 km / h. what is the speed of the train after the speed increase?
8. Since 1997, China's railways have been speeding up for many times. There is a train that used to run 80 kilometers per hour. After the speed increase, the speed of this train has increased by 40%. How many kilometers per hour does this train run now?
9. On the map with a scale of 1:35 million, the length of the railway from Beijing to Hangzhou is 4.7 cm. How many kilometers is the actual length of the railway? (in two ways)
10. A section of railway is 3km long. What's the scale of the map? Is the railway 1.5cm long? Really
11. The express train and the local train run from a and B at the same time. After meeting for 3 hours, the two trains continue to move forward at the original speed. The express train runs for 2 hours and reaches B. at this time, the train stops at the same time How many kilometers is the distance between a and B? (arithmetic)
12. An express train and a local train run in opposite directions. The length of the express train is 280 meters, and that of the local train is 385 meters. The time for people sitting on the express train to see the local train passing is 11 seconds, so the time for people sitting on the local train to see the express train passing is 11 seconds______ Seconds
13. The two trains are facing each other. The express is 280 meters long and the local is 385 meters long. People sitting on the express watch the local run for 11 seconds
14. The length of the fast and slow trains are 150 meters and 200 meters respectively. They run on parallel tracks in opposite directions. If people on the slow train see the fast train passing the window, the time is 6 minutes Second, how many seconds does it take for people on the express to see the local train passing the window? Why?
15. An express train is 160 meters long, and a local train is 170 meters long. If two trains are running in opposite directions, it takes 33 seconds to catch up with the local train from the express train
16. 11. An express train and a local train run in opposite directions. The length of the express train is 280 meters and the length of the local train is 385 meters. It takes one hour for people sitting on the express train to see the local train How many seconds does it take for people on the local train to see the express passing?
17. The length of the express train is 70 meters and the length of the local train is 80 meters. If two trains go in the same direction, the time it takes for the express train to catch up with the local train and leave the local train completely A fast train is 70 meters long and a slow train is 80 meters long. If two trains are running in the same direction, it takes 20 seconds for the fast train to catch up with the slow train and completely leave the slow train. If two trains are running in the opposite direction, the time from meeting to leaving is 4 seconds. How many kilometers per hour can the two trains travel? It must be solved by equation
18. If the wheel radius of a bicycle is 0.33 meters, the wheel rolls 100 cycles, and the bicycle advances () meters?
19. Naughty goes to school by bike every day. The outer diameter of the bicycle tire is 60cm It takes him 8 minutes to get to school. Do you know how far the naughty home is from school?
20. What does motorcycle tire size 80 / 100-14 mean?