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The ratio of the distance between the two vehicles is 3:2. The distance between the two vehicles is 50 kilometers from the midpoint. The distance between the two vehicles is several thousand meters Note: the middle point is not the end point
（50*2）/（3/5-2/5）＝500
Party A and Party B travel from a and B at the same time. It takes 6 hours for Party A to complete the whole journey, which is 50% faster than Party B. when they meet, Party A travels 180 km more than Party B to find the speed of Party B
1 / 6 (1 + 50%) = 1 / 9
1 ÷ (1 / 6 + 1 / 9) = 18 / 5 (H) (Party A and Party B met for 18 / 5 hours)
1 / 6 - 1 / 9 = 1 / 18
1 / 18 × 18 / 5 = 1 / 5
180 △ 1 / 5 = 900 (km) (1 / 5 of the whole journey is 180 km, i.e. 900 km)
900 × = 100 (km)
The distance between a and B is 600 kilometers. A car and a truck start from a and B at the same time and travel in opposite directions. The car travels 2 kilometers more per hour than the truck. Three hours later, the two cars meet. What's the speed of the two cars
If the speed of the car is x km / h, then the speed of the truck is X-2 km / h
3x+3(x-2)=600
6x-6=600
6x=606
x=101
So the speed of the truck is: 101-2 = 99 (km / h)
A freight car travels 60 kilometers per hour, 5 kilometers more than a passenger car. The two cars travel from a and B at the same time, 20 kilometers away from the midpoint
How many kilometers are there between a and B?
Encounter time = 20 × 2 △ 5 = 8 hours
Distance = 8 × (60 + 60-5) = 920km
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