原帖由 prozzy 於 2007-5-18 23:05 發表。  : U! h" }- W! c: A q2 ]. O
the answer is -$97 for sure.
( K% F/ H, j. d) Z: t5 }. E8 u5.39.217.77:8898Think about it this way
) b6 R5 i1 ]1 o& _ O- i e" CTVBNOW 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) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.77:88987 c& d9 G, L' U
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.77:88981 ^6 ?" f0 I! V$ D Y6 @: L
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb: b- F+ q1 Q" S- t0 `
4 U+ q+ ?/ t) B8 P- wthink 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.
$ i/ ]: ?- F& p6 DTVBNOW 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$ }0 g9 b, O4 n8 c1 q/ \9 }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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