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

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