原帖由 prozzy 於 2007-5-18 23:05 發表。 $ w# D( x4 W2 i1 h$ m
the answer is -$97 for sure. 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。5 z9 g2 E3 F0 z* s8 _( ]- F
Think 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。9 ?" I5 g. Y8 ~; {8 A0 u0 f
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
) a3 u$ X, U& w- O' E$ K: b2) Now, the owner discovered that the 100 bucks is fake. You can th ... tvb now,tvbnow,bttvb. `0 j H5 B4 I) t8 x6 W. I
tvb now,tvbnow,bttvb, L$ [- W9 W9 F* y
tvb now,tvbnow,bttvb( Z% Q) R( b) a, x8 s& e
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
* |3 z& G$ j& W! [" l7 y5.39.217.76
7 u3 ~8 P- V+ Ithink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。$ L4 A" H3 S- F% ^0 j
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。) Y: T+ j# K* c- {, N' G5 i
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |