Answer:
$4.46.
Explanation:
We have been given that Nina and 3 friends ate lunch at a cafe. They decided to split the bill evenly.
The bill will be split into 4 parts as there are
persons, who had lunch at the cafe.
![\text{Each person's share}=(\$17.84)/(4)](https://img.qammunity.org/2019/formulas/mathematics/high-school/mton6lazgyuvid451dk5g1yf79j6ymffu6.png)
![\text{Each person's share}=\$4.46](https://img.qammunity.org/2019/formulas/mathematics/high-school/sjbv9hla4wpf28dhopggn61igs2whgcb0c.png)
Therefore, each person's share was $4.46.