In response to the ongoing pandemic, a local restaurant has implemented social distancing measures, which include the closing its in person dining areas. In order to keep the business going, the restaurant will now rely on drive through lines to handle customer ordering and service. After implementing the new ordering system, management observes that customers arrive at the rate of 62 customers per hour. Under the current system the restaurant has only 5 servers with a total service rate of 70 customers/hour.

what is the average amount of time customers will wait in line under the current restaurant scenario?