Ok
Data
Number of boys = 28
Number of girls = 40
Process
-Calculate the greatest common factor
B G
28 40 2
14 20 2
7 10 2
7 5 5
7 1 7
1
The greatest common factor is 2 x 2 = 4
Then, there must be 4 teams
Number of boys in each team = 28/4 = 7
Number of girls in each team = 40/4 = 10
Each group will have 17 students