AMC8 1993
AMC8 1993 · Q15
AMC8 1993 · Q15. It mainly tests Averages (mean).
The arithmetic mean (average) of four numbers is 85. If the largest of these numbers is 97, then the mean of the remaining three numbers is
四个数的算术平均数（平均值）是85。其中最大的数是97，则其余三个数的平均数是
(A)
81.0
81.0
(B)
82.7
82.7
(C)
83.0
83.0
(D)
84.0
84.0
(E)
84.3
84.3
Answer
Correct choice: (A)
正确答案：（A）
Solution
Sum 340, remaining 243, mean 81.
总和340，其余243，平均81。
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