原帖由 prozzy 於 2007-5-18 23:05 發表。  $ f& {- n" a2 B' x& k: \8 A- M# Q1 f( j
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。$ w9 m% ]" ]. E7 m( Z
Think about it this way
! d& G6 T3 m$ i9 Aos.tvboxnow.com1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
( S5 b R: Y% y: T$ \公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
* b7 ]4 D6 g' w4 d {! b7 k* o& VTVBNOW 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
$ k" B4 n2 E' t L* |8 z0 y6 r公仔箱論壇
: ~ X8 { n( U3 J; T; vos.tvboxnow.comthink 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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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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