A and B are going from AB to ab at the same time. The speed of a is 45km, and that of B is 50km. Three fifths of an hour later, the two cars meet. What is the distance between a and B

A and B are going from AB to ab at the same time. The speed of a is 45km, and that of B is 50km. Three fifths of an hour later, the two cars meet. What is the distance between a and B

3/5h*(45km/h+50km/h)=57km

Party A and Party B walk for 8 hours and 6 hours respectively. If they walk from two places of AB at the same time and meet each other after 3 hours, Party A is 160 kilometers away from place B, so find the distance between two places of ab

If you walk from ab at the same time and meet each other in 3 hours, a is still 160 kilometers away from B. you can see that B walked 160 kilometers when they met
At this time, the second line of the whole 3 / 6 = 1 / 2
So the distance between AB and ab is 160 / (1 / 2) = 320 km

Party A and Party B drive from ab at the same time, and meet at the midpoint of 15 km, so as to know how many km is the distance between Party A and AB and how much is the distance ratio between Party A and Party B?

The distance ratio is 4:5
4 / (5 + 4) = 4 / 9
Distance: 15 △ 1 / 2-4 / 9 = 15 △ 1 / 18 = 270 km
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Two cars a and B travel from a and B at the same time, and car a meets car B at two fifths of the whole journey
Two cars of a and B travel from a and B at the same time. Car a meets B at two fifths of the whole journey. Car a meets B at two fifths of the whole journey. Car a travels 40km per hour. Car B takes 8 hours to complete the whole journey?

The distance between the two places is x km
2/5x=80×【8×（1-2/5）】
2/5x=640×3/5
x=960
It's 960km away