原帖由 prozzy 於 2007-5-18 23:05 發表。 
9 l5 H! V* C( Q6 Z) hos.tvboxnow.comthe answer is -$97 for sure.
7 p( P' G1 d! T3 w. h7 f% CThink about it this way
7 K( H& q2 M4 Q' Ztvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
6 P7 z4 s; n* z1 |, C: D! H, ]* ZTVBNOW 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。2) Now, the owner discovered that the 100 bucks is fake. You can th ... 8 m, ]- d. q8 w* p* Y
9 V& m4 M& \' {/ p/ ]0 R4 J, @公仔箱論壇 $ S! r9 Q2 W' R; ?0 s* V
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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4 n' ]2 {9 c3 d; pthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
" E" r* h, S6 V' X0 {% g1 b4 o2 [TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。
1 c2 q# |$ F, q9 E% }' C3 r7 WTVBNOW 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. |