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?
2 answers:
Her average score was 84, add them all up and divide by 5
75+75+85+95+90 = 420
420/5 = 84
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