Answer:
6:11
Explanation:
There are 12 girls.
There are 12+10 member in all.
That means there are 22 members in all.
So the ratio of girls to total members is 12 to 22 or 12:22. To reduce this, look for a common factor. 12 and 22 both share 2 as a common factor so divide both by 2 gives you 6:11.