Final answer:
Writing to your principal to request more healthy options for school lunches requires a formal style.
Step-by-step explanation:
The writing purpose that would most likely require a formal style is writing to your principal to request more healthy options for school lunches. When writing to a principal, it is important to use a formal tone and language to convey respect and professionalism. A formal style includes using proper grammar, avoiding slang or colloquial language, and following the conventions of business writing.
Learn more about writing purpose requiring formal style