math

The distance between town A and town B was 210 km. At 9:20 pm, a bus set off from town A to town B and a car from town B to town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80 km/h. a) Calculate the time at which the car passed the bus.
b) How far had the car traveled when it passed the bus?

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asked by emily
  1. a. Vb*t + Vc*t = 210.
    60t + 80t = 210, t = ?.

    b. d = Vc*t.

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    posted by Henry

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