Question
P6.SP.TL.18012288-A1
Scarlett and Elizabeth 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. Scarlett completed a full round in 50 s. Elizabeth completed a full round in 40 s.
  1. How long would it take for Elizabeth to overtake Scarlett for the first time?
  2. How far was Elizabeth ahead of Scarlett after 20 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

21 May 2024, 11:41 PM

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