Asked by TCAH answer sheet
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.
What is Katie's average (mean) math score?
Answer options with 5 options
A.
86
B.
84
C.
69
D.
67
E.
65
What is Katie's average (mean) math score?
Answer options with 5 options
A.
86
B.
84
C.
69
D.
67
E.
65
Answers
Answered by
GPT 3.5
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.
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.