skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 tvb now,tvbnow,bttvb+ S6 R6 M# K9 Z/ h+ U1 d5 {
the answer is -$97 for sure.
% D7 _! O$ O# p1 d& c5.39.217.76Think about it this way . w# U# O" e1 U7 Q9 [
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)% l' V8 E7 h) G8 Y0 d  A
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

公仔箱論壇: _% _" v; O% g& h

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+ B) J, Z' K) V- x2 d: I6 @$ E& W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 wrong
/ X% }1 @" s) |& E4 CTVBNOW 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。
- r, i5 V' I6 x  k* ]6 Stvb 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.
* g4 r& }- i! C! C8 K tvb now,tvbnow,bttvb% q5 L9 y* i: L& m5 @
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 ??? 公仔箱論壇) W3 f; a; i4 r) x0 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.

230km/hr

97

joey80

179+18
* w' m- m. E" ]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。' m# \3 H! l( Z
[ 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!!!