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From a to B, it takes 10 hours for a and 15 hours for B. the two cars leave from ab at the same time. When they meet, a travels 80 kilometers more than B, thousands of meters apart
A speed: B speed = 1 / 10:1 / 15 = 3:2
Whole course = 80 △ 3-2 × (3 + 2) = 400 km
A and B trains leave from AB and meet each other in 6 hours. When they meet, car a travels 240 kilometers more than car B. car a travels 80 kilometers per hour. How many kilometers does car B travel per hour
Vehicle B is set at x kilometers per hour;
80*6-X*6=240;
X=40
It takes 16 hours for car a to B, while car B travels 45 kilometers per hour. One day, car a and car B start from ab at the same time, and meet each other 7 hours later. How about the distance between AB and car B?
x/16+45=x/7 x=560
After three hours, car a meets car B at the midpoint of 18 kilometers. At this time, the distance ratio of car a to car B is 2:3. How many kilometers do car a and car B travel per hour?
2 + 3 = 5, 18 × 2 ／ (35-25), = 36 ／ 15, = 180 (km); car a: 180 ／ 5 × 2 ／ 3 = 24 (km); car B: 180 ／ 5 × 3 ／ 3 = 36 (km); answer: car a travels 24 km per hour, car B travels 36 km per hour
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