Question
PSLE
Glen and Risa started jogging at the same time from point L to point N along the route shown. Glen jogged 50 m/min faster than Risa. When Glen reached point N, he turned around at once to jog towards point L. He met Risa at point M. They did not change their speeds throughout. What was Risa's jogging speed in m/min?
2 m

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PSLE
Glen and Risa started jogging at the same time from point L to point N along the route shown. Glen jogged 50 m/min faster than Risa. When Glen reached point N, he turned around at once to jog towards point L. He met Risa at point M. They did not change their speeds throughout. What was Risa's jogging speed in m/min?