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
$30\%=p\%$
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 - Lesson Check - Page 141: 1
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