Question
PSLE
Zeph and Japheth started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Zeph was at the halfway point and Japheth was 510 m behind. Zeph 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
Zeph and Japheth started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Zeph was at the halfway point and Japheth was 510 m behind. Zeph reached the end point 4 minutes before Japheth. What was the distance of the route? Express the answer in m.