Answer:
![\huge\boxed{\bf\: 140 \: dollars}](https://img.qammunity.org/2023/formulas/mathematics/college/shj52s13rgs7l7lxeh0jow8zl17tf7j814.png)
Explanation:
Flat fee = $20
Dollars charged per hour = $15
Dollars charged for 8 hours = ?
Dollars charged for 8 hours
= Dollars charged per hour × 8
= 15 × 8
= $120
Money made in total by Nicole
= Dollars charged for 8 hours + Flat fee
= $120 + $20
= $140
![\rule{150pt}{2pt}](https://img.qammunity.org/2023/formulas/mathematics/college/i5tj7bm6uy89hevmpnt9bal70t01kn6ndy.png)