Question: Can you explain how to get the answer? A long distance runner started on a course running at an average speed of 5 mph. One

Can you explain how to get the answer?

A long distance runner started on a course running at an average speed of 5 mph. One hour later, a second runner began the same course at an average speed of 8 mph. How long after the second runner started will the second runner overtake the first runner?

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