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

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