10. When ticket sales began, Pat was the nth customer in line for a ticket, and customers purchased their tickets at the rate of x 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?
(A) (n - 1) x
(B) n + x –1
(C) (n - 1) /x
(D) x/ (n - 1)
(E) n / (x - 1)
Answer: C
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Solution:
ReplyDeletePat is nth customer. So pat has to wait for n-1 customer to go.
Time taken will be (n-1) / x