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原帖由 prozzy 於 2007-5-18 23:05 發表。 + e4 ~. G8 b) O5 z
the answer is -$97 for sure. 5.39.217.765 K/ C* j) W* J2 {6 }( u6 z$ ]) Y3 S* Q
Think about it this way
; c" _) A- b/ [/ v3 i公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ z$ o0 h9 t. M4 H( p" q* r  R  dtvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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8 O! v: y% L* j4 y. y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 wrongTVBNOW 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。  F4 U7 p9 X9 T! T0 W8 P& }
公仔箱論壇/ l$ @3 h+ W$ m+ J# l! x( O" s! h
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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* g) F  b2 d' ]: Y: I% @tvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ???
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公仔箱論壇; |4 k; {$ Y1 ?

# A' s. i( A0 y, Z" 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。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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[ 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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