原帖由 prozzy 於 2007-5-18 23:05 發表。 
. m o# R0 @" W7 sTVBNOW 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。the answer is -$97 for sure.
$ P! a' u2 X" Y. n1 QThink about it this way 公仔箱論壇3 F( p6 A! g6 m7 m
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
1 W( P. K4 c8 U/ L2 X) _2 Z5.39.217.762) Now, the owner discovered that the 100 bucks is fake. You can th ... TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。% G$ T7 m' f# a& r1 K
, K& I( k9 q w% T `2 | Xtvb now,tvbnow,bttvb 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, n: I o) n! _" A. o+ X8 K% ]; p
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb- O( c7 m% C1 S. x* C8 ~
4 Z, d& H4 q1 k( J! @' b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.
# y) B4 ]# I3 N. n, B公仔箱論壇 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。" K1 C# n4 ~2 L+ ^7 Q
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |