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

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