Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Skills Handbook - Percents - Exercises - Page 895: 14


A reasonable estimate would be $30$.

Work Step by Step

$77\%\approx75\%$ and $42\approx40$. $75\%$, or three-fourths of $40$, is $30$. Therefore, a reasonable estimate would be $30$.
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