Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.2 - Solving Percent Problems with Equations - Exercise Set: 49

Answer

$30$

Work Step by Step

$\dfrac{27}{x} = \dfrac{9}{10}$ Cross multiply $9x = 270$ $x = 30$
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