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

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