Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 6 - Percent - Review Exercises - Page 469: 34


The percent of decrease is 33.4%.

Work Step by Step

The amount of change is $42.8-28.5=14.3$. $\frac{part}{whole}=\frac{percent}{100}$ $\frac{14.3}{42.8}=\frac{p}{100}$ Cross multiply to solve for p. $42.8p=(14.3)(100)$ $42.8p\div42.8=1430\div42.8$ $p=33.4112$
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.