Question

In a fifth grade class 3/5 of the girls have brown hair. Of those brown haired girls 3/4 of them have long hair. Of the girls with long brown hair 1/3 of them have green eyes

Answer 1

The fraction of the girls in the class with long brown hair is:

`(3)/(5)\cdot(3)/(4)=(9)/(20)`

The fraction of girls with long brown hair and green eyes is:

`(9)/(20)\cdot(1)/(3)=(3)/(20)`