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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.
; E0 P+ q4 L. ?) @) u& M( v" u/ X5 b" o4 _! E9 b; l4 c0 i
A.183 Y d; F# U) @7 m
n6 |/ M! N- B4 F
B.10* f6 R& O# l# ~0 S/ g% f
, j/ r& U6 I2 J3 O5 ]. k9 ? C.65$ n' g: E$ }. d7 t. y
z' l# }, C% b& ^7 O2 [
答案和详解，登录后回复可见：
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- s* Q5 c4 L) L8 X
3 I' h4 y. i ~" h5 A+ b; j
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发表于 2015-12-22 13:46:18
发表于 2019-3-31 12:23:51
