Question
PSLE
Mandy and Leah 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. Mandy jogged past Leah after 12 km. Both of them did not change their speeds throughout. Mandy took 30 min to complete one round. What was Leah's jogging speed in m/min?
3 m

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PSLE
Mandy and Leah 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. Mandy jogged past Leah after 12 km. Both of them did not change their speeds throughout. Mandy took 30 min to complete one round. What was Leah's jogging speed in m/min?