Algebra 1

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

Chapter 2 - Solving Equations - 2-9 Percents - Lesson Check: 1

Answer

30%

Work Step by Step

$a=p\%\times b $ substitute $21=p\%\times70$ divide both sides by 70 $21\div70=p\%\times70\div70$ $0.3=p\%$ convert decimal $30\%=p\%$
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