ANSWER
She can rent the facility for 4 hours
Step-by-step explanation
The cost 'y' for renting the facility for h hours is:
![y=51h+72](https://img.qammunity.org/2023/formulas/mathematics/college/to5frm7febq8b0vrswt1joxsl52cgza127.png)
But if half the deposit is refunded (72/2 = 36), the cost is:
![y=51h+36](https://img.qammunity.org/2023/formulas/mathematics/college/er6oxrs942lhj5j4i08ve6y6inxf80enid.png)
If Nicole has $240 in her budget, the cost must be less than or equal to her budget:
![51h+36\le240](https://img.qammunity.org/2023/formulas/mathematics/college/s58b1csrb51ijcozyxv1fh5qsorlzjxm5s.png)
Solving for h:
![\begin{gathered} 51h\le240-36 \\ 51h\le204 \\ h\le(204)/(51) \\ h\le4 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/kvghgg27fjcdy9hay9oxd2rzvfa8yrm07s.png)
If Nicole rents the facility for 4 hours and there's no damage - so that she get's half of her deposit refunded - she'll spend $240, which is within her budget.