Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.3 - Integers: Addition and Subtraction - Problem Set 1.3 - Page 21: 126


$= -580$ ft below sea level

Work Step by Step

The term "below" suggests a negative elevation while the term "above" suggests a positive elevation. Thus, we obtain: $= (-1385) + 805$ $= -580$ ft below sea level
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