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: 54


$ 100\%$

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=$70$) is (x=$70$)$?$ Translated:$\quad n\cdot 70=70$ ... divide with $70$ $ n=1\qquad$ .... convert to percent notation, ( move the decimal point two places to the right and write a percent symbol.) $=100\%$
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