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

Click button first when a symbol is required. X

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