Answer:
The answer of your question is B
Step-by-step explanation:
[tex]30 \: st \: is \: 100\% \\ x \: st \: is \: 70\% \\ x = (30 \times 70) \div 100 = 21 \: st \: have \: brown \: eyes \\ 30 - 21 = 9 \: remaining \\ 9 \times \frac{1}{3} = 3 \: st \: have \: green \: eyes[/tex]
