Additional Algo $7-5$ Utilization in a Process with Setups

Sterilization of medical instruments is a two$-$step process. The first step requires $37$ minutes to setup and can process $42$ instruments per hour when processing. The second step processes instruments at a rate of $20$ instruments per hour with no setup. The sterilization process operates with a batch size of $47$ instruments.

What is the utilization of the first step?

Note: Do not round your intermediate calculations. Round your answer to $2$ decimal places.

Utilizatio