Question
PSLE
Billy and Xandra started jogging at the same time from point G to point J along the route shown. Billy jogged 20 m/min faster than Xandra. When Billy reached point J, he turned around at once to jog towards point G. He met Xandra at point H. They did not change their speeds throughout. What was Xandra's jogging speed in m/min?
2 m

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PSLE
Billy and Xandra started jogging at the same time from point G to point J along the route shown. Billy jogged 20 m/min faster than Xandra. When Billy reached point J, he turned around at once to jog towards point G. He met Xandra at point H. They did not change their speeds throughout. What was Xandra's jogging speed in m/min?