skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 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。! Q7 \) g' m( V% b4 M* L5 e8 i4 k
the answer is -$97 for sure.
, N) E7 s0 w  r$ H9 e+ T公仔箱論壇Think about it this way 5.39.217.76+ K* P% B. _, N5 M
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)$ G7 D/ N( ~1 r; A& a1 Z) N8 ?
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 wrongtvb now,tvbnow,bttvb6 L% [1 F8 c! g5 G( x

( O" ~* K& H2 d3 _6 ?- {5.39.217.76think 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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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
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8 [. ^* }2 y7 d公仔箱論壇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.

230km/hr

97

joey80

179+18
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* v& @, Z' `" l- H[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!