Question
PSLE
Della and Julie 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. Della jogged past Julie after 12 km. Both of them did not change their speeds throughout. Della took 15 min to complete one round. What was Julie's jogging speed in m/min?
3 m

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PSLE
Della and Julie 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. Della jogged past Julie after 12 km. Both of them did not change their speeds throughout. Della took 15 min to complete one round. What was Julie's jogging speed in m/min?