原帖由 prozzy 於 2007-5-18 23:05 發表。  . Y& H" [: k! @9 k4 U3 ?+ ^$ B% Y
the answer is -$97 for sure. : X2 H; _ g" U0 s% |) `/ O
Think about it this way 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。% N" v/ u5 X- J, m) m9 f+ @
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb% V2 G; ?9 _/ c2 H7 F/ i3 v
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
/ _5 ?2 o5 j8 W公仔箱論壇 公仔箱論壇" Q9 B" f; b, y
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: Y7 v& J# `1 b% Z: U9 Y
公仔箱論壇( W4 F3 h( _" p2 ^: k" X2 ~
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., J( t" F+ R1 B) }
* H ]8 _: I8 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。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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