3^2/1\3+3x5 how could I make this equation equal 45 using the order of operations?

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Ineed in figuring out this problem.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year