Answer:

Step-by-step explanation:

Divide both sides by 7:

Subtract 4 from both sides:

Answer:
I do think I can answer this
Answer:
35 minutes
Step-by-step explanation:
Answer:
System utilization = 0.7 or 70%
Step-by-step explanation:
Given arrival rate of customer = 15 customer/Hour
Servie rate =
Now, use the below formula to find the system utilization.
System utilization =
System utilization =
System utilization =
System utilization = 0.7 or 70%
Identity property of addition