Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - 3.4 Rates - 3.4 Exercise Set: 5

Answer

20 miles per hour

Work Step by Step

To find the average rate of change, divide the distance by the time: Average Rate = $\dfrac{100\text{ mi}}{5 \text{ hours}}=20 \text{ miles per hour}$
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