
Answer:
The correct answer is B.
Explanation:
Giving the following information:
Option​ 1: they can pay Sadie​ $5 per haircut plus​ 20% of their revenue.
Option​ 2: they can pay a flat chair rental of​ $1,000 per month.
The hairdressers charge their customers ​$40 per haircut.
Option1= 5*cut + 8*cut= $13 per cut
Option 2= $1000
1000= 13x
77=x
77 haircuts.