Question
PSLE
Vincent and Roshel started jogging at the same time from point H to point K along the route shown. Vincent jogged 30 m/min faster than Roshel. When Vincent reached point K, he turned around at once to jog towards point H. He met Roshel at point J. They did not change their speeds throughout. What was Roshel's jogging speed in m/min?
2 m

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PSLE
Vincent and Roshel started jogging at the same time from point H to point K along the route shown. Vincent jogged 30 m/min faster than Roshel. When Vincent reached point K, he turned around at once to jog towards point H. He met Roshel at point J. They did not change their speeds throughout. What was Roshel's jogging speed in m/min?