原帖由 prozzy 於 2007-5-18 23:05 發表。  www3.tvboxnow.com) ~! v* T6 U, }1 i
the answer is -$97 for sure.
& e/ }7 l! |2 d+ r k( c8 Ctvb now,tvbnow,bttvbThink about it this way
0 Q4 ] [/ ?; e! b3 p1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18); s& p4 W3 W# f7 z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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3 T1 f' d! \9 `# M; [公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong& h) M3 ]1 W l# g- u& ?
1 J0 h( h9 Q( N- B4 k' m& Q% ZTVBNOW 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.
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7 U6 y' n# Z1 p% d6 ktvb now,tvbnow,bttvbI 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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