The following situation can be modeled by a linear function. What is the equation for the linear function, and use it to answer the given question. Clearly identify the independent and dependent variables. Is a linear model reasonable for the situation described?

At the local copy center you can rent time on a computer for a $8 setup fee. With an additional $2.25 for every 5 minutes, how much time can you rent for $22?

Select the correct choice below and fill in the answer box to complete the choice.

A. The independent variables is time (t) in minute, and the dependent variables is rental cost (r) in dollars. What is the linear function that models this situation is r =

B. The independent variables is rental cost (r) in dollars, and the dependent variables is time (t) in minutes. What is the linear function that models this situation is t =

How many minutes can be rented for $22?

Round to the nearest minute as needed