Question
At 7.00 p.m., a brown car and a green car left the office and travelled at average speeds in opposite directions round a 30-km route. The brown car took 15 minutes to complete each round while the green car took 30 minutes.
  1. Find the speed of the brown car.
  2. Find the speed of the green car.
  3. If the two cars travelled without any interval of rest, at what time would the two cars next meet again at the office?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

At 7.00 p.m., a brown car and a green car left the office and travelled at average speeds in opposite directions round a 30-km route. The brown car took 15 minutes to complete each round while the green car took 30 minutes.
  1. Find the speed of the brown car.
  2. Find the speed of the green car.
  3. If the two cars travelled without any interval of rest, at what time would the two cars next meet again at the office?