Question
P6.SP.TL.18012288-A1
Isaiah and Lily 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. Isaiah completed a full round in 80 s. Lily completed a full round in 40 s.
  1. How long would it take for Lily to overtake Isaiah for the first time?
  2. How far was Lily ahead of Isaiah after 20 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

18 May 2024, 12:32 PM

Isaiah and Lily 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. Isaiah completed a full round in 80 s. Lily completed a full round in 40 s.
  1. How long would it take for Lily to overtake Isaiah for the first time?
  2. How far was Lily ahead of Isaiah after 20 s?
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