How much later should the younger runner start

Reference no: EM13702695

Problem: An 18-year-old runner can complete a 10.0-km course with an average speed of 4.38 m/s. A 50-year-old runner can cover the same distance with an average speed of 4.15 m/s.

Part A: How much later (in seconds) should the younger runner start in order to finish the course at the same time as the older runner?

I want to know how to work this out step by step, not just the answer please.

Reference no: EM13702695

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