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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." L4 e" j; a v
t) M& w+ W) Q H& ~: q
A.18
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B.106 \, G) {$ A& T2 G
6 [9 h4 [- `! R4 c7 ^0 n8 i C.653 C. b% f1 Q' ^ @9 }2 W3 K# G
- B8 T7 [& w- w! ?) c
答案和详解，登录后回复可见： ( e; ?8 Z# @! z( k l: r% }
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# [* C8 X" A; I$ O( {' o8 _' _) _$ B; P3 P' ^
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发表于 2015-12-22 13:46:18
发表于 2019-3-31 12:23:51
