Question
P6.SP.TL.18012288-A1
Christian and Ellie were planning to run on a circular track with a circumference of 1000 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Christian completed a full round in 50 s. Ellie completed a full round in 40 s.
  1. How long would it take for Ellie to overtake Christian for the first time?
  2. How far was Ellie ahead of Christian after 25 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

17 Jun 2024, 10:17 AM

Christian and Ellie were planning to run on a circular track with a circumference of 1000 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Christian completed a full round in 50 s. Ellie completed a full round in 40 s.
  1. How long would it take for Ellie to overtake Christian for the first time?
  2. How far was Ellie ahead of Christian after 25 s?
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