Question
PSLE
When Ruby started jogging from her home, Molly was 1.7 km ahead. Ruby jogged at 11 km/h and Molly jogged at 7 km/h. They went in the same direction and did not change their speeds throughout.
  1. How far did Ruby jog in 30 minutes?
  2. Who was ahead after 30 minutes? How far apart were they? Give your answers in this format. (Eg Ben, 1.2 km)
3 m
(a)

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(b)

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PSLE
When Ruby started jogging from her home, Molly was 1.7 km ahead. Ruby jogged at 11 km/h and Molly jogged at 7 km/h. They went in the same direction and did not change their speeds throughout.
  1. How far did Ruby jog in 30 minutes?
  2. Who was ahead after 30 minutes? How far apart were they? Give your answers in this format. (Eg Ben, 1.2 km)