Question
P6.SP.TL.18012288-A1
Risa and Ryan were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Risa completed a full round in 60 s. Ryan completed a full round in 40 s.
  1. How long would it take for Ryan to overtake Risa for the first time?
  2. How far was Ryan ahead of Risa after 15 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

17 May 2024, 11:06 PM

Risa and Ryan were planning to run on a circular track with a circumference of 600 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Risa completed a full round in 60 s. Ryan completed a full round in 40 s.
  1. How long would it take for Ryan to overtake Risa for the first time?
  2. How far was Ryan ahead of Risa after 15 s?
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