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

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