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原帖由 prozzy 於 2007-5-18 23:05 發表。
% t& B" {. v/ @the answer is -$97 for sure. tvb now,tvbnow,bttvb- Z: z4 w) V8 |9 R* O2 T- o0 m
Think about it this way + L% D' z( V* D
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
; [' {* b% G! s, U& aTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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. H! e6 h. O+ C& N& V7 } 5.39.217.76$ L9 q$ V' o* b% Q3 \- b
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.763 M6 n/ V( H5 u6 x7 U6 y) [1 W
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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.( s0 e: V# }+ K# l; C4 l: \3 m5 d
公仔箱論壇% I, Y, u" F  b' b2 f0 _& U
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ??? tvb now,tvbnow,bttvb6 O' f! M* g% n" D, S( _
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。! U( k1 Y1 B% @+ v) h2 H" X' k

% h- G+ z4 E+ ~% @4 R( }1 d公仔箱論壇dun 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.

回復第 1 帖由 idontgiveashit 所發的帖子

97
179+18
% t% o8 r6 _! @+ c) |" ^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。5.39.217.761 q# r7 T( |' k& R1 W( j
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]
118

$97 lost

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回復第 213 帖由 skybirds 所發的帖子

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??
18+79=97
not 97 ma ?
197
Thanks for sharing!!!
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