There's a truck 45 kilometers in front of my car. The speed is 60 kilometers per hour. I've been chasing 80 kilometers per hour. How many hours will it take to catch up?

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• 1. The speed ratio of passenger cars to freight cars is 5:4. Passenger cars travel 15 kilometers more per hour than freight cars It's a list
• 2. A bus goes from place a to place B at the speed of 80 kilometers per hour, while a truck goes from place B to place a at the speed of 60 kilometers per hour. After 3.5 hours, the two cars meet. How many kilometers are the two places long?
• 3. After 10 hours, the bus landed 80 kilometers behind the truck. The bus traveled 45 kilometers per hour. How many kilometers per hour did the truck travel? What kind of solve equations
• 4. It takes 10 hours for a passenger car to go from place a to place B, and 15 hours for a freight car to go from place B to place a. the two trains leave each other. When they meet, the passenger car travels 96 kilometers more than the freight car
• 5. Passenger cars travel 70 kilometers per hour. Passenger cars are 1 / 6 faster than freight cars, thousands of meters faster?
• 6. The distance between Shanghai and Nanjing is 300 kilometers. A freight car and a passenger car depart from Shanghai to Nanjing at the same time. The known speed of freight car is 52 and 2 / 3 kilometers per hour If the speed of a bus is one and two thirds of that of a truck, how many kilometers away is the bus from Nanjing within one hour?
• 7. A passenger train runs from place a to place B, and a freight train runs from place B to place A. when the freight car runs 180 km, the passenger train runs four seventh of the whole journey When the bus arrives at B, the truck runs seven eighths of the whole journey. How many kilometers are there between a and B?
• 8. The distance between freight cars and passenger cars is 572 km. The speed of passenger cars is one sixth slower than that of freight cars. After 4.5 hours, the distance is 77 km. What are the speeds of freight cars and passenger cars
• 9. From place a to place B, it took four hours for passenger cars and three hours for freight cars. Find the speed ratio of passenger cars and freight cars and simplify it
• 10. The railway between station a and station B is 660 km long, and a passenger train runs from station a to station B at the same time After solving the equation, I will add 50 points online The railway between station a and station B is 660 km long. A passenger train runs from station a to station B, and a freight train runs from station B to station A. it meets four hours later. It is known that the speed of the passenger train is 6 / 5 times that of the freight train. How many kilometers do the passenger train and the freight train travel per hour? (solved by equation)
• 11. A passenger train runs 65 kilometers per hour from station a to station B, and a freight train runs 57 kilometers per hour from station B to station a at the same time A bus runs 65 kilometers per hour from station a to station B, and a truck runs 57 kilometers per hour from station B to station a at the same time. The two cars meet at the midpoint of 18 meters. How many kilometers is the distance between station a and station B?
• 12. The freight cars and passenger cars drive from city a to city B at the same time. The freight cars travel 60 kilometers per hour, and the passenger cars travel 100 kilometers per hour. The passenger cars stay for 2 hours on the way, but they are still faster than the passenger cars The bus arrived 30 minutes early. How many kilometers are there between the two cities
• 13. A passenger car and a freight car run from Party A and Party B at the same time. After 6 hours, they meet. The passenger car runs 60 km per hour, and the freight car 15 is the distance between Party A and Party B How many meters?
• 14. It takes 10 hours for a bus to go from place a to place B, and 15 hours for a truck to go from place B to place a. the two cars set out at the same time, and the distance between them is 25000 when they meet
• 15. The speed ratio of a passenger car to a freight car is 5:3. The freight car starts from place a to place B first. When it is 160 km away from place a, the passenger car starts from place B to place B When the two cars meet, the bus takes half of the whole journey from a to B?
• 16. On the map with a scale of 1:80 km, the distance between Party A and Party B is 8.4 cm. How many hours does it take for a car to travel from place a to place B at a speed of 64 km per hour If you want to say something, you must use the equation
• 17. Passenger cars travel 60 kilometers per hour and freight cars 50 kilometers per hour. Now two cars on a straight road start from a and B, 300 kilometers apart After five hours, how many kilometers are the two cars apart?
• 18. A car travels 45 kilometers per hour, (), what percentage of the speed of a swallow is this car Filling conditions () the speed of a car is 30% of that of a swallow. How many kilometers per hour does the car travel
• 19. Beside the railway line, there is a highway along the direction of the railway. On the highway, a car is driving at the speed of 45 kilometers per hour. At this time, a train is coming from behind at the speed of 63 kilometers per hour. It takes 56 seconds for the train to pass by the car from the front to the rear. How many meters is the total length of the train? (excluding the length of the car)
• 20. As shown in the figure, ABCD is a simulated runway with a side length of 6 meters. A toy car starts from a and moves clockwise at a speed of 5 cm per second. B toy car starts from the midpoint of CD and moves counterclockwise. As a result, the second time the two cars meet is just at point B. how many cm per second does car B walk?