#### Answer

$9$

#### Work Step by Step

$18 \div 2 = 9$ because $9 \cdot 2 = 18$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$9$

$18 \div 2 = 9$ because $9 \cdot 2 = 18$

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