Please Help, I have already posted this question but its been up for an hour and 30 mintues, please help me.

Sammie, a self-employed musician, takes a trip from California to New York. She spends two days travelling, 15 days sightseeing, and while she was there, she stopped in to have lunch with a client. Her airfare was $750 to New York and $700 returning to California. How much of the airfare is deductible? A