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。, Z3 A3 p6 Z- f5 h
the answer is -$97 for sure. : X# X \+ e/ R5 @. h
Think about it this way
$ J7 [' v" F0 u7 GTVBNOW 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) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
& M$ Y0 V+ F1 o1 K, btvb now,tvbnow,bttvb2) 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。! L3 _4 K5 \! ?/ F6 _$ n
6 |; K7 E- E/ ~4 q) |$ j: C( a; W/ \
公仔箱論壇( y+ Q# @2 t5 b8 M$ x: i& J/ {
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# q7 _9 N2 S6 p$ q
3 x! ]9 G% u5 c2 w% g6 PTVBNOW 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, 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.5.39.217.76: ~7 T. p7 s9 T
8 r. Q2 f8 j, G& }tvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |