Question
PSLE
Ryan and Gabby started jogging at the same time from point L to point N along the route shown. Ryan jogged 20 m/min faster than Gabby. When Ryan reached point N, he turned around at once to jog towards point L. He met Gabby at point M. They did not change their speeds throughout. What was Gabby's jogging speed in m/min?
2 m

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PSLE
Ryan and Gabby started jogging at the same time from point L to point N along the route shown. Ryan jogged 20 m/min faster than Gabby. When Ryan reached point N, he turned around at once to jog towards point L. He met Gabby at point M. They did not change their speeds throughout. What was Gabby's jogging speed in m/min?