Question
PSLE
When Mary started jogging from her home, Erny was 0.7 km ahead. Mary jogged at 14 km/h and Erny jogged at 11 km/h. They went in the same direction and did not change their speeds throughout.
  1. How far did Mary 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 Mary started jogging from her home, Erny was 0.7 km ahead. Mary jogged at 14 km/h and Erny jogged at 11 km/h. They went in the same direction and did not change their speeds throughout.
  1. How far did Mary 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)