Question
Nora and Scarlett were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Nora completed a full round in 90 s. Scarlett completed a full round in 50 s.
  1. How long would it take for Scarlett to overtake Nora for the first time?
  2. How far was Scarlett ahead of Nora after 18 s?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Nora and Scarlett were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Nora completed a full round in 90 s. Scarlett completed a full round in 50 s.
  1. How long would it take for Scarlett to overtake Nora for the first time?
  2. How far was Scarlett ahead of Nora after 18 s?