Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.5 - Addition of Real Numbers - Exercise Set - Page 63: 78



Work Step by Step

To find the solution, start with 20 ft and add the 3 ft rise, the 2 ft fall, the 1 ft fall, the 4 ft fall, and the 2 ft rise. 20+3+(-2)+(-1)+(-4)+2 23-2-1-4+2 21-1-4+2 20-4+2 16+2=18
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