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

12 Jun 2024, 01:02 PM

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