Question
P6.SP.TL.18012288-A1
David and Julie were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. David completed a full round in 60 s. Julie completed a full round in 40 s.
  1. How long would it take for Julie to overtake David for the first time?
  2. How far was Julie ahead of David after 15 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

15 Jun 2024, 05:52 PM

David and Julie were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. David completed a full round in 60 s. Julie completed a full round in 40 s.
  1. How long would it take for Julie to overtake David for the first time?
  2. How far was Julie ahead of David after 15 s?
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