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

07 May 2024, 03:09 AM

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