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

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