please solve these 2

Find a Doctor, is a small startup that helps people find a physician that best meets their needs (location, insurance accepted, etc.) During a "slow" time for them, they have 7 staff members taking calls from customers. On average, one call arrives every 7 minutes. On average, each staff member spends 27 minutes with each customer. What is the utilization rate (in percentages) of the staff members? (Note that your answer should NOT include "\%". For instance, if your answer is 20%, then you should write 20 in the blank.) Round your answer to one decimal place. Customers arrive to the checkout area of Shoprite at the rate of 23 customers per hour. The processing time for each customer is 9 minutes on average. There are 5 servers in the checkout area. What is the utilization rate (in percentages) of the servers? (Note that your answer should NOT include "\%". For instance, if your answer is 20%, you should write 20 in the blank) Round your answer to the nearest integer