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: 81


About $31.5$lb of his body weight is fat.

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, $\quad 16.5\%$ of ($y=191$) is ($x=?$). Translated:$\quad 0.165\cdot 191=x$ ($ 16.5\%$ converted to decimal notation is $0.165)$ $x=31.5$lb
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