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: 23

Answer

204,700,000 or 204.7 million PCs

Work Step by Step

Above the dot for 2015 is 402.1. Looking at the left edge of the graph, notice that this number is in millions. The number of PCs sold in 2015 was 402.1 million or 402,100,000 Above the dot for 2005 is 197.4. Looking at the left edge of the graph, notice that this number is in millions. The number of PCs sold in 2005 was 197.4 million or 197,400,000. The increase in the estimated number of PCs to be sold in 2015 from the number sold in 2005. 402,100,000 - 197,400,000 = 204,700,000 or 204.7 million
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