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原帖由 prozzy 於 2007-5-18 23:05 發表。 公仔箱論壇' E. ~. P- P/ p/ N6 h# \
the answer is -$97 for sure. ) ]& f2 b/ k4 R$ G8 P  U
Think about it this way
" [8 V# N  f! Htvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇/ b7 h. {: G3 S; h. L4 `0 |
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
( N3 t# `2 Y/ Ytvb now,tvbnow,bttvb
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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
9 Q7 j. D1 F- Ltvb now,tvbnow,bttvb
; n2 O9 X1 W* u0 qtvb now,tvbnow,bttvbthink 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.2 y4 H0 b9 h) X3 u

, H3 {. y$ k# R$ [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 ???
" E7 Q5 T$ Z2 W4 Z; cos.tvboxnow.com
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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+18
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" `* g; W0 P& f# f公仔箱論壇[ 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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