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

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