Question
PSLE
Jane and Ginny started jogging from the same point of the 10 km track round a housing estate. They started at the same time but in opposite directions. Jane jogged past Ginny after 8 km. Both of them did not change their speeds throughout. Jane took 20 min to complete one round. What was Ginny's jogging speed in m/min?
3 m

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PSLE
Jane and Ginny started jogging from the same point of the 10 km track round a housing estate. They started at the same time but in opposite directions. Jane jogged past Ginny after 8 km. Both of them did not change their speeds throughout. Jane took 20 min to complete one round. What was Ginny's jogging speed in m/min?