Prealgebra (7th Edition)

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

Chapter 10 - Cumulative Review - Page 731: 37


775 freshmen

Work Step by Step

$\frac{p}{100}=\frac{a}{b}$ Cross multiply to solve the percent proportion. $\frac{4}{100}=\frac{31}{b}$ $4b=100\times31$ $4b\div4=3100\div4$ $b=775$
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.