原帖由 prozzy 於 2007-5-18 23:05 發表。 
6 K& t0 t# Q1 ^3 Y公仔箱論壇the answer is -$97 for sure.
+ [! N2 D" F* ^$ W" gThink 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。8 l7 A$ [' j6 o
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
. d- {1 Z5 t1 v0 ptvboxnow.com2) Now, the owner discovered that the 100 bucks is fake. You can th ... 1 k4 v" G$ W" m3 U" Y+ A" Gtvb now,tvbnow,bttvb3 L/ F1 D! U. V: D$ s5 A }
7 t9 _, ~; j O& J% ?# N1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。; q8 O \3 \/ o
" \# R8 b) t( T! ?! c4 Vtvboxnow.comthink 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.
% J; p) Y. `. Q% g( h* F公仔箱論壇 tvb now,tvbnow,bttvb/ K/ Z! s! ]/ Q2 i
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |