On the number line above, p, q, r, s, and t are five consecutive even integers in increasing order. What is the average (arithmetic mean) of these five integers?
(1)q + s = 24
(2)The average (arithmetic mean) of q and r is 11.
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On the number line above, p, q, r, s, and t are five consecutive even integers in increasing order. What is the average (arithmetic mean) of these five integers?
(1)q + s = 24
(2)The average (arithmetic mean) of q and r is 11.
正确答案: D