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

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