Respuesta :

12 divided by 3=4x2=8
Proportion set-up:

[tex] \frac{3}{2} = \frac{12}{x} [/tex]

Cross multiply

[tex]3x=24[/tex]

Divide by 3 on both sides

[tex]x = 8[/tex]

If there are 12 boys, there are 8 girls.