We are given with an 18 student class that is working a project worked by pairs. Each pair works on a project. In this case, there are 9 teams of 2 individuals working on a single project. Hence for a year or school year, there are 9 projects accomplished each time.
I can’t see the photo sorry
The answer would be 71/6 or 11 5/6.
The answer to the problem is 1120
