ISEE Mathematics Achievement Question 2: Answer and Explanation

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Question: 2

2. During her bowling competition with Paul, Krissi scored a total of 320 points in 4 matches. During her fifth match, she scored 75 points. What was Krissi's average score for the five games?

  • A. 75.00
  • B. 77.50
  • C. 79.00
  • D. 80.00

Correct Answer: C

Explanation:

C

To calculate the mean of all 5 scores, add the scores and divide by the number of scores: 320 + 75 = 395, and 395 รท 5 = 79.

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