### Home > CALC > Chapter 1 > Lesson 1.2.3 > Problem 1-55

1-55.

A marathon runner runs a hours is

*.*

How long did it take her to finish the race?

Solve for.What was her average velocity? Explain your reasoning.

Evaluate and explain.Suppose she runs at a constant pace of

miles/hour. How far will she have gone in hours?

Evaluate.Show how the units reduce using rate

time distance.