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原帖由 prozzy 於 2007-5-18 23:05 發表。 ; U+ _3 J2 ]" H, s" @; M  K5 Y! O
the answer is -$97 for sure. tvb now,tvbnow,bttvb6 T  z+ P9 f- X: q" E
Think about it this way tvb now,tvbnow,bttvb5 P+ V3 ], \! {! ]( q0 {- P
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" w/ z# s. k. R9 N  v1 o) z- Vtvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...
" |, T2 H+ `) m3 ]* Q5 P, j9 @  }TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。公仔箱論壇/ [1 Q( y" `& d+ M
5.39.217.761 b9 A" X) d$ H  E7 _. c& S7 _
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇% z; E, v' q; z

: d, d" s+ o2 \! f! j5.39.217.76think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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. t/ x! E( F* t; c$ y7 U! \5.39.217.76I 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 ???
, Y  D/ ]2 ?/ _1 @% vtvb now,tvbnow,bttvb
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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+18tvb now,tvbnow,bttvb" p4 f. k3 a) B+ e* W, p1 m
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[ 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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