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原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.767 O2 J' S: [$ Y1 b- k" d" M& y; |
the answer is -$97 for sure.
* x( y- m6 c! L9 ntvb now,tvbnow,bttvbThink about it this way
  G' E: {" W+ G5 D8 wTVBNOW 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。1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
  Q+ ~6 w+ I; e$ `0 h) n8 F7 A% A4 \公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.766 P6 q3 Y' i- j# @

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. u5 K  H% M! h4 l1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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% r7 ?5 b% O4 u: qTVBNOW 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。think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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1 r! l. C' c" J* t( nI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ???
" [. c/ {" n$ q3 Y3 f% Q, s& b公仔箱論壇
tvb now,tvbnow,bttvb5 W7 K9 D5 T# _
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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+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。0 r$ j, F8 y9 L. z

: D  ~, C- U: q- W  ^[ 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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