The width of the rectangular drawing is one third the length plus 3 inches. What is the perimeter of the drawing. Write and eval
uate an expression to solve the problem
1 answer:
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Answer:
18 minutes
Step-by-step explanation:
Given that:
The arrival time = 3 customers / hour
The avg. service rate (s) = 12 minutes per customer
To hour, we have:
s = 5 customers/ hour
Thus, the required average time for a customer needs to wait in line is:
To minutes;
= 18 minutes