Consider a fast food joint somewhat like Chipotle. There are three stages for an arriving cutomer: waiting in line, building the order and checking out. This is what we know about its state at a certain hour, where it is in a steady state. There are on average 7 customers waiting in the waiting line; on average it takes 8 minutes to build an order, and it takes 6 minutes to checkout at the cash register. Customers are arriving at the rate of 16/hr. Round your answers to TWO places of decimal. Answer the following: (1) On average customers wait for minutes in the waiting line. (2) On average there are customers in process of building order. (3) On average there are at the cash register.

Must be done using either single model and multi model, using formula with and , such as Lq, Ls, Wq, Ws formulas.