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

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