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 111: 82

Answer

The area of Arizona is $111,416 mi^{2}$

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, reworded, $\quad 19\%$ of ($y=586,400$) is ($x=?$). Translated:$\quad 0.19\cdot 586,400=x$ ($ 19\%$ converted to decimal notation is $0.19)$ $x=111,416 mi^{2}$ The area of Arizona is $111,416 mi^{2}$
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