Question
PSLE
Owen and Marion started jogging at the same time from point L to point N along the route shown. Owen jogged 30 m/min faster than Marion. When Owen reached point N, he turned around at once to jog towards point L. He met Marion at point M. They did not change their speeds throughout. What was Marion's jogging speed in m/min?
2 m

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PSLE
Owen and Marion started jogging at the same time from point L to point N along the route shown. Owen jogged 30 m/min faster than Marion. When Owen reached point N, he turned around at once to jog towards point L. He met Marion at point M. They did not change their speeds throughout. What was Marion's jogging speed in m/min?