原帖由 prozzy 於 2007-5-18 23:05 發表。  , P1 ^/ Z" }( R5 x
the answer is -$97 for sure.
& P1 K3 L7 ?- v% y( t7 ^" Qtvboxnow.comThink about it this way tvboxnow.com4 x% J1 X1 v u4 ?
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
& O8 v- ?6 i" T9 c1 S5 Z2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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1 B& J2 _# \- V6 _1 u3 m1 b1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong3 Z; J, |; L/ X. S! h
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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
0 X0 ]; U& a9 b0 r) U0 Z' x; v' ztvb now,tvbnow,bttvb
7 Z$ v1 [+ s9 e" U! N& f X! ~- B% ITVBNOW 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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