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

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