Jason and Bill open a business for tutoring students in mathematics. Their
monthly total expenses (they spend) are $300. Jason and Bil have tutoring
contracts with a total of 10 students. Each student is tutored 2 hours per
week at a cost of $30 per hour. Using 4 weeks per month, what is the
income after expenses for a month of tutoring
A. $900
B. $2,100
C. $2.400
