Question
P6.SP.TL.18012288-A1
David and Ava were planning to run on a circular track with a circumference of 400 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. Ava completed a full round in 40 s.
  1. How long would it take for Ava to overtake David for the first time?
  2. How far was Ava ahead of David after 10 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

04 Jul 2024, 02:41 AM

David and Ava were planning to run on a circular track with a circumference of 400 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. Ava completed a full round in 40 s.
  1. How long would it take for Ava to overtake David for the first time?
  2. How far was Ava ahead of David after 10 s?
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