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原帖由 prozzy 於 2007-5-18 23:05 發表。
: s& c# r6 d1 T) ?% B4 a; ]the answer is -$97 for sure. 6 ~% N0 ?* y* r. [: C: q8 \
Think about it this way
3 z4 L  f# c/ @: p+ x  b# n2 g1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
# a5 o2 u; h( r8 X1 u0 g7 oTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
5 Q$ b! L4 t* I1 r+ D; I+ S公仔箱論壇 1 f' \  {7 x& J
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
9 O! n) {$ f2 e# M5.39.217.76 公仔箱論壇2 l  F9 \8 b7 A, L& g6 k
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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4 t5 f$ `* R9 @3 ]5.39.217.76: ^1 C) w" t- j! Y& V! W
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公仔箱論壇- \, ?/ @* T& F
tvb now,tvbnow,bttvb9 l: T9 p6 Z& B1 c# P
[ 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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