原帖由 prozzy 於 2007-5-18 23:05 發表。 
* [0 w% x- J, m) H; JTVBNOW 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.
4 M) t7 ]# q0 K' A5 ntvb now,tvbnow,bttvbThink about it this way
0 l/ r% U. v. C1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。# v, D, ~! o/ v" ]. X! _
2) Now, the owner discovered that the 100 bucks is fake. You can th ... ) |9 K* Q) X- n3 J# {9 h
5.39.217.765 k5 v. A& T4 V# i) G
9 R% a1 w% K1 M4 R) e0 B' g1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76" q$ r' X1 j2 g5 Q9 T+ J! t. ?
: h, ]9 u6 u+ \8 `9 Sthink 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.
6 S7 t1 S. A; b, ~ 公仔箱論壇) h, G6 L; d+ K6 p0 h3 O* w! s4 n
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |