41. In a math course, a student scored 100 on one test, 97 on another test, and 88 on each of the other tests. The students test average for the course, where each test weighted equally, is exactly 91. What is the total umber of math tests that the student has taken in the course ?
Answer and Explanation
Your Answer is
Correct Answer is C
Explanation
Suppose he took n exams, 91n=100+97+88(n-2), so choose C