How much later in seconds should the younger runner start

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Reference no: EM13640290

An 18 year old runner can complete a 10.0 km course with an average speed of 4.34 m/s. A 50 year old runner can cover the same distance with an average speed of 3.84 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 old runner?

Reference no: EM13640290

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