Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
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?

### Response:
 จำนวนลูกบอลที่เธอพกคือ 27+33=<<27+33=60>>60
เปอร์เซ็นต์ที่แสดงถึงลูกบอลสีเหลืองคือ 27/60*100%=45%