Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 10 - Statistics - 10.2 Bar Graphs and Line Graphs - 10.2 Exercises - Page 724: 29

Answer

150,000 mp3 players

Work Step by Step

Find the dot above 2011 on the line for store A. Use a ruler or straightedge to line up the dot with the numbers along the left edge. The dot is aligned with 150, so chain store A sold 150 * 1000 = 150,000 mp3 players in 2011.
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