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

Plz 25 points for my grade

B. $2,100

Step-by-step explanation:

10(students)*2(hours)*30($ per hour)*4 (weeks)=2,400

2,400- 300 (expenses for month)= 2,100

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.