原帖由 prozzy 於 2007-5-18 23:05 發表。 
* C2 H: P& ]! s$ bthe answer is -$97 for sure.
: I$ k& W1 W1 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 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。- O3 j( C! d( Z) b( ^, f
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇, v& a: ?, L0 d# o7 |6 D
2) Now, the owner discovered that the 100 bucks is fake. You can th ... 3 [' J- E$ u) k8 P S8 p: Z5.39.217.77:8898
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! l* W1 J, o2 @& P, Y6 V1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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6 u3 j( {) o) c. a8 b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.
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" Z( x+ {& m: u8 S4 ltvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |