Question
PSLE
Vincent and Kylie started jogging at the same time from point Q to point S along the route shown. Vincent jogged 50 m/min faster than Kylie. When Vincent reached point S, he turned around at once to jog towards point Q. He met Kylie at point R. They did not change their speeds throughout. What was Kylie's jogging speed in m/min?
2 m

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PSLE
Vincent and Kylie started jogging at the same time from point Q to point S along the route shown. Vincent jogged 50 m/min faster than Kylie. When Vincent reached point S, he turned around at once to jog towards point Q. He met Kylie at point R. They did not change their speeds throughout. What was Kylie's jogging speed in m/min?