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

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