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: 24

Answer

120,500,000

Work Step by Step

Above the dot for 1990 is 24.1 . Looking at the left edge of the graph, notice that this number is in millions. The number of PCs sold in 1990 was 24.1 million or 24,100,000. Above the dot for 2000 is 144.6 . Looking at the left edge of the graph, notice that this number is in millions. The number of PCs sold in 2000 was 144.6 million or 144,600,000. To find how many more PCs sold in 2000 than in 1990 = 144,600,000 - 24,100,000= 120,500,000
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