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The followingequation describes the Nike’s monthly demand for visits to the health club: Qd= 30 – 5P, where Qd is visits per month and P is dollar per visit.1 W* Y' O1 i$ [+ K. S: i
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A.18
$ h0 }% ?6 c/ b. L; _) r: K L5 V. c
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C.65 i% ?* J! F4 o B I1 i
3 R* |- L3 I7 Q3 P- Y) u
答案和详解，登录后回复可见：
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4 H1 X5 ?+ H2 p
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发表于 2015-12-22 13:46:18
发表于 2019-3-31 12:23:51
