Question
Sofia and Andrew 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. Sofia completed a full round in 80 s. Andrew completed a full round in 40 s.
  1. How long would it take for Andrew to overtake Sofia for the first time?
  2. How far was Andrew ahead of Sofia after 10 s?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Sofia and Andrew 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. Sofia completed a full round in 80 s. Andrew completed a full round in 40 s.
  1. How long would it take for Andrew to overtake Sofia for the first time?
  2. How far was Andrew ahead of Sofia after 10 s?