The Broken-Line Graph Shows the Percent of Adults in the United

Multiple Choice

The broken-line graph shows the percent of adults in the United States over 18 years old who took the influenza vaccine during recent years. Use the graph. What percent of U.S. adults aged 18 and older took the influenza vaccine in 2003?

A) 29 $\%$
B) 29.5 $\%$
C) 28.5 $\%$
D) 31 $\%$
E) 27 $\%$