Does anyone know how to do simple interest for 7th grade math? I need a tutorial or an example please, thanks. A question exampl
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