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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.+ J) x5 Q2 m' q5 |9 t7 ]/ E4 t
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答案和详解，登录后回复可见： , l- n* `% C: e: t4 f x
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发表于 2015-12-22 13:46:18
发表于 2019-3-31 12:23:51
