A freight car and a passenger car run from two places 135 kilometers apart at the same time. After 0.75 hours, the speed ratio of the freight car to the passenger car is known to be 7:8, and the speed ratio of the passenger car to the freight car is 7:8 Find the speed of the bus

A freight car and a passenger car run from two places 135 kilometers apart at the same time. After 0.75 hours, the speed ratio of the freight car to the passenger car is known to be 7:8, and the speed ratio of the passenger car to the freight car is 7:8 Find the speed of the bus

75 = 180
Bus speed 180x8 △ 7 + 8 = 96km / h
Answer: the bus speed is 96km / h

A passenger train and a freight train depart from both places at the same time. It is known that the passenger train travels 120 kilometers per hour, and the speed ratio of the passenger train to the freight train is 3:2. When the two trains meet 1.5 hours after departure, how long is the railway between the two places?

(120 + 120 × 23) × 1.5, = (120 + 80) × 1.5, = 200 × 1.5, = 300 km; answer: the railway between a and B is 300 km long

A freight car and a passenger car leave from a and B at the same time. It is known that the passenger car travels 120 kilometers per hour. The speed ratio of the passenger car and the freight car is 3:2, and the two cars drive at the same time
A passenger car and a freight car leave from both places at the same time. It is known that the passenger car travels 120 kilometers per hour, and the speed ratio of the passenger car and the freight car is 3:2. The two cars meet 1.5 hours after they leave, so as to find the distance between the two places

Because the speed ratio of passenger cars and freight cars is 3:2 ",
Therefore, the freight car speed = 2 × passenger car speed / 3 = 2 × 120 / 3 = 80 (km / h)
Speed sum of two cars: 120 + 80 = 200
The two cars walked together for 1.5 hours, so the distance = 200 × 1.5 = 300 (km)
Comprehensive formula:
(120 × 2 / 3 + 120) × 1.5 = 300 (km)

A passenger car and a freight car run from a and B at the same time. The whole journey takes eight hours. It takes three hours and twenty minutes to drive. The distance between the two cars is 120 kilometers?

3 hours and 20 minutes = 10 / 3 hours, 8 × 5 / 4 = 10 hours, 1 / 8 + 1 / 10 = 9 / 40, 9 / 40 × 10 / 3 = 3 / 4, 120 (1-1 / 4) = 480km, 480 ／ 10 = 48km / h If you agree with my answer, please click to accept it in time