Basic College Mathematics (10th Edition)

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

Chapter 6 - Percent - 6.2 Percents and Fractions - 6.2 Exercises - Page 401: 93

Answer

$405

Work Step by Step

90% of a number is equal to 100% minus 10%. Therefore, a shortcut to finding 90% of a number is to find 10% by moving the decimal one space to the left, and then subtract this from the whole number. 90% of 450=450-45.0=405
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.