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

02 Jun 2024, 04:01 PM

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