原帖由 prozzy 於 2007-5-18 23:05 發表。 
1 R2 e3 D' w0 C公仔箱論壇the answer is -$97 for sure.
& r d" E8 Z' m2 G( U4 FThink about it this way d9 w Q5 @$ P1 }
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" w$ s/ N0 K/ F, t7 X MTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
% F3 E6 [& r0 I4 u% }; M5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
+ U; N! J/ x/ M; U4 h+ Ptvb now,tvbnow,bttvb
; d+ |+ k6 x2 d- x) o, ptvb now,tvbnow,bttvbthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。) t7 L, E4 B% M3 J; i
7 @. Y- }# ^ ]4 `# tI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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