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 - Page 187: 32


$2$ haircuts completed per hour

Work Step by Step

At 2 P.M., a total of 7 haircuts were completed. By 4:30 P.M., a total of 12 haircuts were completed. The increase in number of haircuts completed was: $=12-7=5$ The elapsed time from 2 p.m.. to 4:30 p.m. is 2.5 hours. Thus, the average rate is: $=\dfrac{5\text{ haircuts completed}}{2.5 \text{ hours}}=2$ haircuts completed per hour
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.