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

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