Answer
14.4 cm
Work Step by Step
$\frac{36}{22.5}=\frac{w}{9}$ cross multiply
$22.5w=324$ divide both sides by 22.5
$22.5w\div22.5=324\div22.5$ simplify
$w=14.4$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-9 Percents - Mixed Review - Page 143: 57
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