Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.5 Addition of Real Numbers - 1.5 Exercise Set - Page 42: 61

Answer

The price dropped by 1 cent during that period.

Work Step by Step

1. Write the question as a numerical expression -15 + (-3) + 17 2. Add two numbers at a time from left to right. -15 + (-3) + 17 = -18 + 17 = -1 -1 indicates the change in price, in cents.
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