Katie has taken 5 math tests this year. On the first and second tests she scored a 75. The third test she scored 10 points more than the first two. The fourth test she scored 95 and the last test she scored 90.

Question

What is Katie's average (mean) math score?

Answer options with 5 options
A.
86

B.
84

C.
69

D.
67

E.
65

Answer 1

B. 84

To find the average, we add up all the scores and divide by the number of tests:

(75 + 75 + 85 + 95 + 90) / 5 = 420 / 5 = 84

Therefore, Katie's average math score is 84.