原帖由 prozzy 於 2007-5-18 23:05 發表。 
" _2 M/ R3 x: E- c/ `% Zthe answer is -$97 for sure.
; j$ P; E5 Q+ M# q1 k! ATVBNOW 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。Think about it this way tvb now,tvbnow,bttvb2 ?1 B7 ?! A" n& e
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇! \9 C5 t* N7 g3 X5 n
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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。) }. d6 j9 \1 j M4 A. q
公仔箱論壇0 ]: I0 u# Z/ }- p, Z! j/ C0 k1 ^
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong: v- i+ T6 W) t1 R; I9 w& S; N' \8 q C
# e, a( o4 K1 q4 K公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.) |, ^$ l; U* G' E5 f
% E* C) I- c" l# c公仔箱論壇I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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