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

05 May 2024, 04:45 AM

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