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

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