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A, B, C and d leave the two cities at the same time and meet four hours later. The speed ratio of the two cars is 5:4. The distance between the two cities is 360km. What are the speeds of the two cars?
360 ／ 4 = 90 (km) 90 ／ (4 + 5) = 10 (km) a: 10 × 5 = 50 (km) B: 10 × 4 = 48 (km) a: B: 50 km / h, C: 40 km / h
The two cars run from the two cities 648 kilometers apart and meet in 4.5 hours. It is known that the speed ratio of the two cars is 7:9. How many kilometers do the two cars walk in an hour?
The sum of speed per hour of Party A and Party B is: 648 △ 4.5 = 144km
A line per hour: 144 △ (7 + 9) × 7 = 63 km
B travel per hour: 144-63 = 81 km
When the two cars meet, the car goes ()
480 △ 3 + 5 ＞× 3 = 180 km
The distance between station a and station B is 720 km. A train and a bus run from each station at the same time and meet each other in 2.4 hours. The speed ratio of train and bus is 2:3
Quick answer within two minutes plus points
fast
The distance between the two stations is 720 km. A train and a bus run from each station at the same time and meet each other in 2.4 hours. The speed ratio of the train to the bus is 2:3. How much does the bus travel per hour?
sorry
Speed and 720 △ 2.4 = 300km / h
Train speed 300x2 △ 2 + 3 = 600 △ 5 = 120km / h
Bus speed 300-120 = 180km / h
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