The distance between the two places is 460 km. Two passenger and freight cars leave from the two places at the same time. After 4 hours of meeting, the known passenger cars travel 62 km per hour and the freight cars 62 km per hour How many meters is it
460÷4-62=53
The truck runs 53 kilometers per hour
The passenger car and the freight car are facing each other from a and B at the same time. They meet 95 kilometers away from B. after meeting, the two cars continue to move forward
After arriving at a and B, the two vehicles immediately return at the same speed, and then meet 25 kilometers away from A. how many kilometers are there between a and B?
Let the distance between a and B be x, and the speed of bus and train be a and B respectively
According to the principle of equal time, when two cars meet twice, the time they spend should be equal,
Then, when we first met, the equation was:
95/b=(x-95)/a
The equation of the second meeting is as follows:
(x+25)/b=(2s-25)/a
The two equations are simplified
(x-95)*(x+25)=95*(2x-25)
Rearrangement:
x*(x-260)=0
Solution
x=260
So the distance between a and B is 260 kilometers