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

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