Amanager of a taco stand is interested in advertising to get more lunch time customers, but doesn’t know how much time it takes to process a single customer. the amount of time it takes to process a single customer will the manager determine the maximum amount of customers they can process in the lunch hour. on average during lunch hour there are 12 people in line to approach the window. 4 people per minute leave the taco stand after receiving their food. on average how long do customers wait in line? calculate you answer in minutes. (enter the value only. do not enter text.)