Respuesta :

Answer:

[tex]15:31[/tex]

Step-by-step explanation:

To find the amount of total students, you would do this:

[tex]15+16=31[/tex]

Since there are [tex]15[/tex] girls, the [tex]girls[/tex] to [tex]total students[/tex] ratio would be [tex]15:31[/tex].