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。# m, `" q( j$ q" ]
the answer is -$97 for sure. tvb now,tvbnow,bttvb% m2 k- l( b6 x3 a8 `
Think about it this way 8 g) i7 d5 U/ ~# ~7 O6 O4 M" u
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb0 O" o1 l& A7 _$ F7 M
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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www2.tvboxnow.com3 h6 C9 n! d1 p# A
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
% m g z3 _3 v& @: j' a+ c- w- Ltvb now,tvbnow,bttvb www2.tvboxnow.com2 H( C4 b! k; W! e6 i5 y0 E
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.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。1 ?2 ?6 G" ]! o
$ O! Y7 V1 z8 S! F$ @ i( MTVBNOW 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。I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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