#### Answer

A reasonable estimate would be $7$.

#### Work Step by Step

$12\%\approx10\%$. $10\%$, or one-tenth of $70$, is $7$. Therefore, a reasonable estimate would be $7$.

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Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

A reasonable estimate would be $7$.

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