原帖由 prozzy 於 2007-5-18 23:05 發表。 
7 q% M; o8 L; `8 f3 ]5.39.217.76the answer is -$97 for sure.
% h: u, }4 z# S& [公仔箱論壇Think about it this way tvb now,tvbnow,bttvb+ f1 J. Z8 S& z
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇4 @7 R' e# U+ q% S& J3 {5 w8 P
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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3 M8 `5 l7 F# j5 C& V6 eTVBNOW 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) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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# V. `5 b+ \ {/ E; \' _tvb 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.
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5 q0 ]* i& j% ~7 x( }- C5 H; LTVBNOW 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。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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