Food Goblin Supermarkets use both cashiers and baggers to serve customers at check out. During the first 7 hours of each workday (Monday-Friday), 3 cashiers and 2 baggers serve approximately 22 customers per hour. A cashier and a bagger who require approximately 4 minutes at checkout and 3 minutes at bagging serve each customer. a. The utilization of cashiers is %. (Enter your response rounded to one decimal place.)