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A marathon runner runs a -mile race. Her distance traveled in miles after  hours is

  1. How long does it take her to finish the race?

    Solve for .

  2. What is her average velocity? Explain your reasoning.

    Evaluate and explain.

  3. Suppose she runs at a constant pace of miles/hour. How far will she have gone in hours?


  4. Show how the units in your answer to part (c) reduce using .