When ticket sales began, Pat was the nth customer in line for a ticket, and customers purchased their tickets at the rate of r customers per minute. Of the following, which best approximates the time, in minutes, that Pat had to wait in line from the moment ticket sales began?
Choose the correct option.
A) (n - 1) r	B) (n-1)/r	C) n + r –1	D) r/(n-1)	E) n/(r-1)
B. (n - 1) / r
<result>B</result>
When ticket sales began, Pat was the nth customer in line for a ticket, and customers purchased their tickets at the rate of r customers per minute. Of the following, which best approximates the time, in minutes, that Pat had to wait in line from the moment ticket sales began?