原帖由 prozzy 於 2007-5-18 23:05 發表。  tvb now,tvbnow,bttvb+ b9 z9 G3 j0 b7 R7 k& _
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。% u, b* C$ }; P: O u, P K& n
Think about it this way
% A/ B- r' d- k' s! b1 j+ r0 bos.tvboxnow.com1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
# ?1 }& I* D" r- Z5 }6 itvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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公仔箱論壇! \ j; _, }3 ~, k4 n
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇$ G8 W' b8 A* v# `! m7 ~$ ]
5 f* p9 S( E2 @8 V( A3 }5 Rtvb 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。1 q" s- l5 i) W! r
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I 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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