Question
P6.SP.TL.18012288-A1
Lucy and Ellie 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. Lucy 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 Lucy for the first time?
  2. How far was Ellie ahead of Lucy after 20 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

05 May 2024, 03:08 AM

Lucy and Ellie 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. Lucy 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 Lucy for the first time?
  2. How far was Ellie ahead of Lucy after 20 s?
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