The correct answer is C
Explanation
The number of customers who were waited on that day is (201 minus 149) + 1 = 53, as the total number of customers is those customers numbered 149 to 201 inclusive.

Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
On the last day of a one-week sale, customers numbered 149 through 201 were waited on. How many customers were waited on that day?
(A) 51
(B) 52
(C) 53
(D) 152
(E) 153