Question

In a fifth grade class 4/5 of the girls have brown hair 3/4 of them have Long hair what fraction have Long brown hair

Answer 1

ANSWER: 12/20 or 3/5

4/5 of girls have brown hair
3/4 have long hair


`(4)/(5) * (3)/(4) = (12)/(20)`

`(12)/(20) / (4)/(4) = (3)/(5)`

Answer 2

`(3)/(5)`

Explanation:

We have that,

Fraction of girls having brown hair =
`(4)/(5)`

Fraction of girls having long hair =
`(4)/(5)`

Thus, the fraction of girls having long brown hair = Fraction having brown hair × Fraction having long hair

i.e. Fraction of girls having long brown hair =
`(4)/(5)* (4)/(5)`

i.e. Fraction of girls having long brown hair =
`(3)/(5)`

Hence, the fraction of girls having long brown hair is
`(3)/(5)`.