Teesha is in French Club:
=> 10 freshman
=>12 sophomores
=>15 juniors
=> 30 seniors in the club.
The advisor is going to randomly choose one ofthe members of the club to be a guide for an important visitor.
Out of 4 groups, only 1 will be selected.
=> 10 freshman + 12 sophomores +15 juniors + 30 seniors = 67 students
=> 67 / 4 = 16.75
OR close to
=> 15/67