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

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