Question
PSLE
Warren and Emily started jogging at the same time from point L to point N along the route shown. Warren jogged 40 m/min faster than Emily. When Warren reached point N, he turned around at once to jog towards point L. He met Emily at point M. They did not change their speeds throughout. What was Emily's jogging speed in m/min?
2 m

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PSLE
Warren and Emily started jogging at the same time from point L to point N along the route shown. Warren jogged 40 m/min faster than Emily. When Warren reached point N, he turned around at once to jog towards point L. He met Emily at point M. They did not change their speeds throughout. What was Emily's jogging speed in m/min?