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

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