Chapter 10 - Statistics - 10.2 Bar Graphs and Line Graphs - 10.2 Exercises - Page 720: 19

550 gallons

We are asked about supreme gasoline, so we only look at the red bars. In 2013, we see that 150 gallons were sold. In 2017, we see that 700 gallons were sold. Thus, the increase is: $$ = 700-150 \\ = 550 \ gallons$$