原帖由 prozzy 於 2007-5-18 23:05 發表。 
4 O J( {7 j4 k; Y) _公仔箱論壇the answer is -$97 for sure. 公仔箱論壇: U: R# I1 y( S- ]: {0 @# n1 R; v6 }8 F- M
Think about it this way
. m9 t# f4 |/ }6 S) @+ `5 @0 |tvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)3 B9 i8 F/ P+ O& p2 Z: }
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
: k+ r; h, u c# Y5 m9 a2 sTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 9 x n6 A' x& g c6 Z; j
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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$ y$ v0 {9 E6 x+ x: x# Dthink 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.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。' t9 Q! ~& M) F. Q8 g# e
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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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