Elementary Algebra

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: 48



Work Step by Step

In order to follow order of operations, we first multiply and then we add: $0.5(74)-0.9(87)$ =$(0.5\times74)-(0.9\times87)$ =$(37)-(78.3)$ =$(-41.3)$
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