Question
John and Henry were planning to run on a circular track with a circumference of 400 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. John completed a full round in 80 s. Henry completed a full round in 50 s.
  1. How long would it take for Henry to overtake John for the first time?
  2. How far was Henry ahead of John after 8 s?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

John and Henry were planning to run on a circular track with a circumference of 400 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. John completed a full round in 80 s. Henry completed a full round in 50 s.
  1. How long would it take for Henry to overtake John for the first time?
  2. How far was Henry ahead of John after 8 s?