3 boys + 8 girls = 11 students
3 boys/ 11 students = x boys /33 students
using cross products
3 * 33 = x*11
divide by 11
99/11 = x
x=9
There are 9 boys
Answer:
8 groups
Step-by-step explanation:
just keep taking away 18 till u can't anymore
your welcome
C