原帖由 prozzy 於 2007-5-18 23:05 發表。 
0 i- ~& u& Z; d% P5.39.217.76the answer is -$97 for sure.
) R$ C. q+ ^9 P [8 n# EThink about it this way tvb now,tvbnow,bttvb* S! Y( U4 w% o" L; U
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
+ S+ p0 N9 {6 f R( A# E8 v2) Now, the owner discovered that the 100 bucks is fake. You can th ...
9 X- Q: \( O9 B, E6 k% o9 @公仔箱論壇 5.39.217.76. y; |% Z; _7 L+ t' e: v; e1 p5 x5 Q
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
8 i% v2 E' @1 A$ e. yTVBNOW 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。 8 P1 G2 g4 s! E! T1 d
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.
8 b/ T* W& L o# E# W! [ tvb now,tvbnow,bttvb+ S! s2 |7 i6 U; B" ~4 R+ ?
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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