Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.1 - Ratio - Exercises: 38

Answer

9:5

Work Step by Step

$\frac{720}{400}=\frac{/\!\!\!80\times9}{/\!\!\!80\times5}=\frac{9}{5}$
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