原帖由 prozzy 於 2007-5-18 23:05 發表。 
2 i" E% P/ x0 W7 Ztvb now,tvbnow,bttvbthe answer is -$97 for sure.
4 l/ a; _, C( ^& c6 k$ l" cThink about it this way [. A% ~; g3 v9 ~7 J
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)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。& K1 F3 [6 s# {. t
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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9 m E2 B* d/ P1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb6 s! ?% D' ]9 b0 A" ?
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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.3 F; ~: g4 {) b7 T9 }; o
公仔箱論壇7 O) b3 ~6 p% L# f$ @
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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