automated car wash serves customers with the following serial process: pretreat, wash, rinse, wax, hand dry. Each of these steps is iformed by a dedicated machine except for the hand$-$dry step, which is performed manually on each car by one of three workers. e steps of the process have the following processing times:

Pretreat: $3$ minute per car

Wash: $8$ minutes per car

Rinse: $4$ minutes per car

Wax: $5$ minutes per car

Hand dry: $5$ minutes per car

$.$ If the car wash has a demand of $11$ cars per hour, what is the flow rate of the process?

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

Flow rate

customers per hour

p$.$ If the car wash has a demand of $11$ cars per hour, what is the utilization of the maciline that performs the Wax process?

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

Itilizetinn

percent