Question
PSLE
Jane and Sophia 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. Jane jogged past Sophia after 10 km. Both of them did not change their speeds throughout. Jane took 15 min to complete one round. What was Sophia's jogging speed in m/min?
3 m

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PSLE
Jane and Sophia 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. Jane jogged past Sophia after 10 km. Both of them did not change their speeds throughout. Jane took 15 min to complete one round. What was Sophia's jogging speed in m/min?