Question
PSLE
Warren and Tina started jogging at the same time from point B to point D along the route shown. Warren jogged 40 m/min faster than Tina. When Warren reached point D, he turned around at once to jog towards point B. He met Tina at point C. They did not change their speeds throughout. What was Tina's jogging speed in m/min?
2 m

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PSLE
Warren and Tina started jogging at the same time from point B to point D along the route shown. Warren jogged 40 m/min faster than Tina. When Warren reached point D, he turned around at once to jog towards point B. He met Tina at point C. They did not change their speeds throughout. What was Tina's jogging speed in m/min?