Question

The tutor charges $40 plus $30 for each student in the group. Today the tutor has works with a group of students students and charges a total of $220.​

Answer 1

there are 6 students in the group

Explanation:

I think you want to find out how many students there are.

Lets subtract the fees, which is $40, for a start

220-40=$180

to find the number of students in the group lets divide 180 by the fees of each student

180/30=6

there are 6 students in the group