21+50+15=86) b& F( u, N1 r8 ~& K
why 86...
3 @- }; r- P2 l. Y: Q4 A( Dtvb now,tvbnow,bttvbbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21% a- p7 s& T5 p2 {/ g
then he giv bck his fren 50公仔箱論壇' F4 n, E$ F) E/ r8 b" l8 r' k
and the shoes cost is 15tvb now,tvbnow,bttvb& K" X, r0 n ^0 @. X. F n9 e
公仔箱論壇' a9 o8 l* n# W" Q" f; C+ c8 P- y6 h
so total he loss is 86...www1.tvboxnow.com! z6 r/ v7 X* I) [
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[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |