SSAT Math Question 80: Answer and Explanation
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Question: 80
5. If a set R contains four positive integers whose average is 9, what is the greatest number set R could contain?
- A. 4
- B. 9
- C. 24
- D. 33
Correct Answer: D
Explanation:
The correct answer is (D). To find the greatest value of the four, assume the remaining three values are the least possible positive integer, 1. The average then is . Solve for x. 3 + x = 36, so x = 33.