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

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