原帖由 prozzy 於 2007-5-18 23:05 發表。 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。6 L/ s2 o1 [. Y4 U* y- t
the answer is -$97 for sure.
$ v+ s/ q# X' s8 |$ ETVBNOW 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 os.tvboxnow.com, ?1 _7 B+ S+ w7 J
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
% w# Z+ {2 i' Qos.tvboxnow.com2) Now, the owner discovered that the 100 bucks is fake. You can th ... $ B; ` Q2 S8 X( D+ k
tvb now,tvbnow,bttvb2 O4 y2 P/ |0 _# G8 i2 \
) _6 n2 h! {0 B4 \" ^- h" E2 A4 r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
2 q+ J; S1 a' b RTVBNOW 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。
8 }1 y' y1 T; x3 X" b# D! E公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.) I: z4 G7 A: G# S$ `, z
% g8 @; f) ]3 c7 ]0 U" n: D6 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. |