Both trains make their way from a to B, knowing that the speed of car a is x km / h and that of car B is y km / h. After three hours, car B is far away from B The above is not finished, and the following goes on: the ground is 5km, at this time, is the distance between car a and ground B?

Both trains make their way from a to B, knowing that the speed of car a is x km / h and that of car B is y km / h. After three hours, car B is far away from B The above is not finished, and the following goes on: the ground is 5km, at this time, is the distance between car a and ground B?

In three hours, car a has traveled 3x km and car B has traveled 3Y km;
It is known that at this time, car B is 5km away from land B, then AB is 5 + 3ykm away,
It can be concluded that car a is 5 + 3y-3x km away from ground B

The distance between city a and city B is 600 kilometers. A train runs from city a to city B at the same speed. After 4 hours, it is 80 kilometers away from city B. how many kilometers does the train run per hour? (use the equation to solve)

X km / h
4x+80=600
4x=520
X = 130 km / h

On a map with a scale of 1:6000000, the distance of AB is 16cm. It takes three hours for a train to go from a to B. how many kilometers does the train travel per hour

The actual distance is 16 × 6000000 △ 100000 = 960km
960÷3=320
A: the train runs 320km per hour

The distance between the two places measured on the map of 1:6000000 scale is 12cm. Besides, the two trains run from the two places for 6 hours at the same time
How many kilometers does car B travel per hour?

The actual distance between the two places = 12 △ 1 / 6000000 = 72000000cm = 720km
Speed of car B = 720 △ 6-55 = 120-55 = 65 km / h