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原帖由 prozzy 於 2007-5-18 23:05 發表。 7 {; K" e! H4 D1 l# g( m
the answer is -$97 for sure. tvb now,tvbnow,bttvb6 j. ^, P$ F" a1 e
Think about it this way % ]- o% G  `, r: ?
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇1 \2 s/ @, \1 C8 y8 f2 y
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
# A' y$ O, {8 {5.39.217.76
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& Z0 B+ u+ T. x1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76# l2 F7 u' ]" h; l0 @7 G

2 N  j& o9 j! ?  f  Athink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.) w: s) r4 Y) A% d6 U
TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。& i) b9 @$ l6 V3 u6 x
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 ???
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: \/ A$ f/ ^6 ~# p0 iTVBNOW 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。5.39.217.76# ~$ S! F' ~7 ?
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
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% J/ b0 w; s: p( X9 G4 n[ 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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