The ratio of girls to boys in its simplest form is D; 9/7.
The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
The conservation club has 32 members. There are 18 girls in the club.
There are 32 - 18 = 14 boys
So, the ratio of girls to boys is 18 to 14, or 18:14
both numbers are even,
let's divide them by 2:
18 / 2 :14/ 2
9:7
Or
9/7
Learn more about the unitary method;
https://brainly.com/question/23423168
#SPJ2