原帖由 prozzy 於 2007-5-18 23:05 發表。 
% ^2 n% C- Q' f& R& e7 Xtvb now,tvbnow,bttvbthe answer is -$97 for sure. 公仔箱論壇5 Z9 v) U7 l9 e' v A% M
Think about it this way 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。( }( ^. g5 m% p; r; O% [! M7 d e: B+ |
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
+ P% _2 E4 e4 i F; L2) Now, the owner discovered that the 100 bucks is fake. You can th ... 8 y! \4 w* K4 }' h7 O4 ^7 w- E
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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
2 _* |9 }5 ~- ^tvb now,tvbnow,bttvb & }$ v+ Q, c. T1 D1 [4 H
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.公仔箱論壇( e% y) R3 w( ~2 @% H
+ K" S' O- z, m. H/ ?9 Y) G9 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。I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |