原帖由 prozzy 於 2007-5-18 23:05 發表。 
, }3 W5 T/ V8 s3 ?( _! W( Otvb now,tvbnow,bttvbthe answer is -$97 for sure.
( q' n8 i2 F7 g& ^& \: t& z1 etvb now,tvbnow,bttvbThink about it this way / t( _' ?* ^+ I7 }4 z2 M
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇9 P) ?8 E5 B8 K% t) Q# o" i
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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4 i6 i6 h$ P( q9 s" q. J( xtvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong) m% }1 B$ Q9 y
$ V# M& }* N3 p" e* Z% c公仔箱論壇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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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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