Thereafter, the patients are parsed into two categories: $20\%$ of all patients that come into the ED

are trauma victims that need to be placed in a trauma bay. The other $80\%$ of the patients go into

normal examination rooms. Each trauma patient spends an average of $30$ minutes in a trauma

bay before leaving the ED $($usually then being admitted to the main part of the hospital$),$ whereas

non$-$trauma patients spend an average of $45$ minutes in an examination room before leaving the

Q$11.$ Suppose on average $50$ patients come to the emergency department every hour. What is the

implied utilization $($in $\%)$ at the trauma bays? Recall there are $3$ trauma bays. Round your answer

to the nearest whole number