Answer:
answer is as follows
let boys be x
and girls be y
x:y=2:3
total student in the class Be X+Y=30
to find boys in the class
x/y=2/3+30 3×10=30
=2+10
=12
there are 12 boys in the class
X:y=2:3
x/y=2/3+30. 3x10=30
7.8m questions
10.5m answers