Additional Algo $16-3$ Queues when Demand Exceeds Supply

For the first five minutes of the day, the arrival rate at the dentist's office is $45$ patients per minute. The dentist's office is capable of serving $41$ patients per minute. Assume that the system is empty at the start and that no patient who arrives leaves without being served.

What is the average wait time for patients during this time period $($in minutes$)?$

Note: Round your answer to $2$ decimal places.