Basic College Mathematics (10th Edition)

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

Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 440: 32


The sales tax rate is 5%.

Work Step by Step

We are told that the sales tax on a purchase of $\$155.94$ is $\$7.80$. We find the percent tax rate: $155.95*x=7.80$ $x=7.80/155.95=0.05=5\%$ Thus the sales tax rate is 5%.
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.