Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-9 Percents - Practice and Problem-Solving Exercises - Page 141: 25



Work Step by Step

$a=p\%\times b$ substitute $13.5=0.60\times b$ divide both sides by 0.60 $13.5\div0.60=0.60b\div0.60$ simplify $22.5=b$
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