Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.2 - Order of Operations - Exercise - Page 14: 21

Answer

230

Work Step by Step

First, complete the operations within the parenthesis: (18 - 9) and (43 -15). Now, your equation is: 27 -2 x 9 -3 + 8 (28). Next, complete the multiplication in the equation and your equation is: 27 - 18 -3 + 224. Finally, subtract 27 -18= 9 then 9 - 3 = 6 and then 6 + 224 = 230,
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