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

Click button first when a symbol is required. X

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