Question
PSLE
Henry and Risa started jogging at the same time from point B to point D along the route shown. Henry jogged 10 m/min faster than Risa. When Henry reached point D, he turned around at once to jog towards point B. He met Risa at point C. They did not change their speeds throughout. What was Risa's jogging speed in m/min?
2 m

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PSLE
Henry and Risa started jogging at the same time from point B to point D along the route shown. Henry jogged 10 m/min faster than Risa. When Henry reached point D, he turned around at once to jog towards point B. He met Risa at point C. They did not change their speeds throughout. What was Risa's jogging speed in m/min?