Question
Levi and Robert were planning to run on a circular track with a circumference of 800 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Levi completed a full round in 80 s. Robert completed a full round in 40 s.
  1. How long would it take for Robert to overtake Levi for the first time?
  2. How far was Robert ahead of Levi after 20 s?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Levi and Robert were planning to run on a circular track with a circumference of 800 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Levi completed a full round in 80 s. Robert completed a full round in 40 s.
  1. How long would it take for Robert to overtake Levi for the first time?
  2. How far was Robert ahead of Levi after 20 s?