Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Practice and Problem-Solving Exercises - Page 148: 11


There was a decrease of about $4\%$.

Work Step by Step

Change in value: $=\text{new amount} - \text{original amount} \\= 38.6-40.2 \\= -1.6$ There was a decrease. Percent Change: $ =\dfrac{\text{change in value}}{\text{original amount}} \\=\dfrac{-1.6}{40.2} \\\approx -0.04 \\\approx -4\%$ There was a decrease of around $4\%$.
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.