Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 420: 57


Monthly earnings are 3200. Yearly earnings are 38,400.

Work Step by Step

The percent is 7.5%. The part is 240. The whole is unknown. $\frac{240}{x} = \frac{7.5}{100}$ $7.5x = 240\times100$ $\frac{7.5x}{7.5} = \frac{24000}{7.5}$ $x = 3200$ $3200\times12 = 38,400.
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.