Question
P6.SP.TL.18012288-A1
Josiah and Lily 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. Josiah completed a full round in 80 s. Lily completed a full round in 40 s.
  1. How long would it take for Lily to overtake Josiah for the first time?
  2. How far was Lily ahead of Josiah after 20 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

01 Jul 2024, 02:58 PM

Josiah and Lily 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. Josiah completed a full round in 80 s. Lily completed a full round in 40 s.
  1. How long would it take for Lily to overtake Josiah for the first time?
  2. How far was Lily ahead of Josiah after 20 s?
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