Basic College Mathematics (10th Edition)

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

Chapter 6 - Percent - Review Exercises - Page 464: 30


$\frac{unknown}{1280} = \frac{88}{100}$ Part = unknown Whole= 1280 Percent = 88

Work Step by Step

$\frac{Part}{Whole} = \frac{Percent}{100}$ Now 88 % of the door keys cut will operate properly. And there are 1280 keys cut. i.e. $\frac{unknown}{1280} = \frac{88}{100}$
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.