Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.3 - Solving Percent Problems with Proportions - Exercise Set - Page 492: 41

Answer

0.5%

Work Step by Step

Use cross multiplication. $\frac{x}{100}=\frac{4}{800}$ $800x=4\times100$ $800x\div800=400\div800$ $x=0.5$
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.