Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 2 - Equations, Inequalities, and Problem Solving - 2.4 Applications with Percent - 2.4 Exercise Set - Page 109: 60

Answer

$ 22.5\%$

Work Step by Step

Typical percentage problem: What percent ($n$, as a decimal number) of (the base amount $y)$ is $x?$ Translated:$\quad n\cdot y=x$ --- Here, What percent ($n$, as a decimal number) of ($y=40$) is ($x=9$)$?$ Translated:$\quad n\cdot 40=9$ ... divide with $40$ $ n=0.225\qquad$ .... convert to percent notation, ( move the decimal point two places to the right and write a percent symbol.) $=22.5\%$
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.