How much later should younger runner start in order finish

Reference no: EM13104633

An 18-year-old runner can complete a 10.0 km course with an average speed of 4.30 m/s. A 50-year-old runner can cover the same distance with an average speed of 3.85 m/s. How much later (in seconds) should the younger runner start in order to finish the the course at the same time as the older runner?

Reference no: EM13104633

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