skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
8 \8 M) X5 _2 a) a$ Z/ E, q6 N7 Nthe answer is -$97 for sure. 5.39.217.76- J8 R# E* h& O. G2 z
Think about it this way / y6 C" F3 [% ?8 R
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76$ f0 j( P0 S7 [( i' l( K' M" X
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

* ?* ]5 o" Q/ k; zTVBNOW 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。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。0 B' T  X; x* X  G

! [' k6 b) p4 ~& }* t) r! p( Z公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76( L; V, V4 w$ T) [1 G, j
5.39.217.76- F  R; J- b$ ~+ D, m& C! D& Y7 @
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.) g& ?, Z- b+ E- o2 n
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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.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
6 C2 {# v; K. `5 N9 W+ ]) y, ^公仔箱論壇

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' N: V9 W3 ^; O% Rdun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18TVBNOW 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- J+ I3 s8 _- L, a+ |
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[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!