Question
PSLE
Gem and Emma started jogging from the same point of the 15 km track round a lake. They started at the same time but in opposite directions. Gem jogged past Emma after 12 km. Both of them did not change their speeds throughout. Gem took 30 min to complete one round. What was Emma's jogging speed in m/min?
3 m

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PSLE
Gem and Emma started jogging from the same point of the 15 km track round a lake. They started at the same time but in opposite directions. Gem jogged past Emma after 12 km. Both of them did not change their speeds throughout. Gem took 30 min to complete one round. What was Emma's jogging speed in m/min?