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The passenger car and the freight car leave from the two places at the same time and meet in 4.5 hours. When they meet, the passenger car runs 292.5 km and the freight car 225 km. How many times is the speed of the passenger car faster than that of the freight car
292.5/225=1.3
A: the speed of a bus is twice that of a truck
The freight car and the passenger car leave from the two places at the same time. When the two cars meet, the freight car runs 225km. At this time, the freight car runs for 5 hours, and the passenger car can run the whole journey for another 3 hours
225 △ 3 × (5 + 3) = 600 km
A: the whole journey is 600 kilometers
A passenger car and a freight car depart from two places 285 kilometers apart at the same time. The speed of the passenger car is 1.5 times that of the freight car. Three hours later, the two cars meet. How many kilometers do the passenger car and the freight car travel per hour?
Speed sum (distance divided by encounter time): 285 / 3 = 95 km
Take the freight car as unit 1, that is, the speed of freight car is 95 / (1 + 1.5) = 38 km
Bus speed: 95-38 = 57 km
If the freight car travels x kilometers per hour, the passenger car travels 1.5x kilometers per hour
1.5X*3+3X=285
The solution is x = 38
1.5x = 1.5 * 38 = 57 km
A: buses and trucks travel 57 km and 38 km per hour
The distance between a and B is 345 km. A bus and a truck leave each other at the same time and meet each other in three hours. The bus runs 55 km per hour,
How many kilometers does the truck travel per hour?
Dear brothers and sisters, please, it's really very good!
Truck speed = (345-3 × 55) / 3 = 60 km / h
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