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If the average (arithmetic mean) of 5 numbers j, j + 5, 2j - 1 , 4j - 2, and 5j - 1 is 8, what is the value of j ?
If x > y and y > z, which of the following represents the
greatest number?
(A） 13
(B) 713 ?
(C) 1
(D) 3
(E) 8
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答案：
D
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