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?

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?

The answer is 800 km primary school

A freight car and a passenger car are going from place a to place B at the same time. The speed of the freight car is 2 / 3 of that of the passenger car. When the passenger car arrives at place B, it will return immediately. When it is 18 km away from place B and
How many kilometers is the distance between a and B?

1800 times 2 division (1-2 / 3) = 10800

The speed ratio of a freight car and a passenger car from a to B is 3:4. How many kilometers is the distance between a and B when the two cars meet 18 kilometers away from the midpoint

18 × 2 △ 4-3 × (4 + 3) = 252km
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1 / 10 + X / 10 = x / 8, x = 42. 520 × 0.8 = 4163. If there is a problem, it is not clear that 4.100 × 2 / 5 + 100 × 25% × 2 = 905.1/20 18 ／ 1 / 20 = 3606.15 ／ [(1-1 / 4) × 2 / 5-1 / 4] = 15 ／ 1 / 20 = 3007