Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set: 65

Answer

Thriller – 27 million The Wall – 23 million

Work Step by Step

Let t = sales brought in by Thriller in millions Let w = sales brought in by The Wall in millions t = w + 4 t + w = 50 (w + 4) + w = 50 2w + 4 = 50 2w = 46 w = 23 t = (23) + 4 = 27
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