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

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