Question
Risa and Gavin were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Risa completed a full round in 60 s. Gavin completed a full round in 50 s.
  1. How long would it take for Gavin to overtake Risa for the first time?
  2. How far was Gavin ahead of Risa after 12 s?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Risa and Gavin were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Risa completed a full round in 60 s. Gavin completed a full round in 50 s.
  1. How long would it take for Gavin to overtake Risa for the first time?
  2. How far was Gavin ahead of Risa after 12 s?