NEED DONE BY TOMORROW MORNING!
The hair salon charges a stylist $30 per day to rent a station at the salon. Rhonda, a stylist, makes $10.50 on each haircut. Which equation will help her decide how many haircuts she must give in one day to make $ after paying rent for her station?

A. 30h - 10.5 = 138
B. 10.5 + 30 = 138
C. 30h + 10.5 = 138
D. 10.5h - 30 = 138

Lonnie got B as the correct answer. How did he get that?