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

29 Jun 2024, 09:00 PM

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