Question
Aubrey and Emma 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. Aubrey completed a full round in 50 s. Emma completed a full round in 40 s.
  1. How long would it take for Emma to overtake Aubrey for the first time?
  2. How far was Emma ahead of Aubrey 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

Aubrey and Emma 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. Aubrey completed a full round in 50 s. Emma completed a full round in 40 s.
  1. How long would it take for Emma to overtake Aubrey for the first time?
  2. How far was Emma ahead of Aubrey after 20 s?