Answer
7.2
Work Step by Step
In order to follow order of operations, we perform addition and subtraction starting on the left and going right:
$16.5-18.7+9.4$
=$(16.5-18.7)+9.4$
=$(-2.2)+9.4$
=$+7.2$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3 - Page 68: 41
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