Question
P6.SP.TL.18012288-A1
Lucy and Jack were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Lucy completed a full round in 90 s. Jack completed a full round in 60 s.
  1. How long would it take for Jack to overtake Lucy for the first time?
  2. How far was Jack ahead of Lucy after 15 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

27 May 2024, 12:11 AM

Lucy and Jack were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Lucy completed a full round in 90 s. Jack completed a full round in 60 s.
  1. How long would it take for Jack to overtake Lucy for the first time?
  2. How far was Jack ahead of Lucy after 15 s?
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