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

1-55.

A marathon runner runs a * *hours is

*.*

How long does it take her to finish the race?

Solve for.What is 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 in your answer to part (c) reduce using

. _________