Veronica, who is the team captain of their school football team, carried 27 yellow balls and 33 brown balls to the field for the team's matchday practice. What percentage of the balls that she carried were yellow?
The total number of balls that she carried is 27+33=<<27+33=60>>60
The percentage that represents the yellow balls is 27/60*100%=<<27/60*100=45>>45%
#### 45