Question
PSLE
Ginny and Molly 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. Ginny jogged past Molly after 10 km. Both of them did not change their speeds throughout. Ginny took 30 min to complete one round. What was Molly's jogging speed in m/min?
3 m

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PSLE
Ginny and Molly 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. Ginny jogged past Molly after 10 km. Both of them did not change their speeds throughout. Ginny took 30 min to complete one round. What was Molly's jogging speed in m/min?