Question
PSLE
Riordan and Perry started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Riordan was at the halfway point and Perry was 620 m behind. Riordan reached the end point 4 minutes before Perry. What was the distance of the route? Express the answer in m.
3 m

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PSLE
Riordan and Perry started jogging at the same time along the route shown. Both did not change their speed throughout. After 50 min, Riordan was at the halfway point and Perry was 620 m behind. Riordan reached the end point 4 minutes before Perry. What was the distance of the route? Express the answer in m.