原帖由 prozzy 於 2007-5-18 23:05 發表。 
8 n* R2 e' |% h$ j; L; R w) d- }the answer is -$97 for sure. tvb now,tvbnow,bttvb+ ]* S, C, p' ^* ^+ O# m D$ `
Think about it this way 5.39.217.767 I" h0 u9 h3 N( ^
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)* h) r; q& \2 \* ?2 d
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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0 a g% \: @4 \7 @5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76$ o0 p$ O$ w% r; u' z
9 I9 {! J% w& NTVBNOW 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, 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.
! Q4 {9 J9 `, |. g9 [7 l4 S7 T! N5.39.217.76 5 O7 k) P' a6 ?
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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