Question

Help needed for MATH problem

Answer 1

Answer:

1/ 10 ; 1/15

Step-by-step explanation:

Given that:

Fraction with brown hair = 2 /5

1/4 of brown haired girls have long hairs

2/3 of long, brown haired girls have green eyes.

Fraction of girls with long, brown hair :

1/4 of 2/5

1/4 * 2/5 = (1*2) / (4*5) = 2/ 20 = 1/10

Fraction with long, brown hair and green eyes :

2/3 of Fraction with long, brown hair :

2/3 of 1/10

2/3 * 1/10 = (2*1) / (3*10) = 2/30 = 1/15