Question
At 5.00 p.m., a grey car and a yellow car left the office and travelled at average speeds in opposite directions round a 40-km route. The grey car took 15 minutes to complete each round while the yellow car took 30 minutes.
  1. Find the speed of the grey car.
  2. Find the speed of the yellow 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 5.00 p.m., a grey car and a yellow car left the office and travelled at average speeds in opposite directions round a 40-km route. The grey car took 15 minutes to complete each round while the yellow car took 30 minutes.
  1. Find the speed of the grey car.
  2. Find the speed of the yellow 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?