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

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