Question
PSLE
Ken and Japheth started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Ken was at the halfway point and Japheth was 630 m behind. Ken reached the end point 4 minutes before Japheth. What was the distance of the route? Express the answer in m.
3 m

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PSLE
Ken and Japheth started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Ken was at the halfway point and Japheth was 630 m behind. Ken reached the end point 4 minutes before Japheth. What was the distance of the route? Express the answer in m.