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

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