Question
PSLE
Sonia and Emily started jogging from the same point of the 12 km track round a nature reserve. They started at the same time but in opposite directions. Sonia jogged past Emily after 10 km. Both of them did not change their speeds throughout. Sonia took 15 min to complete one round. What was Emily's jogging speed in m/min?
3 m

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PSLE
Sonia and Emily started jogging from the same point of the 12 km track round a nature reserve. They started at the same time but in opposite directions. Sonia jogged past Emily after 10 km. Both of them did not change their speeds throughout. Sonia took 15 min to complete one round. What was Emily's jogging speed in m/min?