Question
P6.SP.TL.18012288-A1
Grace and Ellie 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. Grace completed a full round in 90 s. Ellie completed a full round in 50 s.
  1. How long would it take for Ellie to overtake Grace for the first time?
  2. How far was Ellie ahead of Grace after 18 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

03 Jul 2024, 11:26 PM

Grace and Ellie 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. Grace completed a full round in 90 s. Ellie completed a full round in 50 s.
  1. How long would it take for Ellie to overtake Grace for the first time?
  2. How far was Ellie ahead of Grace after 18 s?
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