Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 10 - Statistics - 10.2 Bar Graphs and Line Graphs - 10.2 Exercises - Page 720: 17

Answer

$$ 250 \ gallons$$

Work Step by Step

We first look on the graph for the year where the height difference between the two bars was the greatest. Doing this, we see that this year is 2013. Subtracting the difference in the two values, we find that the difference is: $$ = 400-150 \\ = 250 \ gallons$$
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