原帖由 prozzy 於 2007-5-18 23:05 發表。 
2 m+ F/ o7 e: \! ftvboxnow.comthe answer is -$97 for sure. 公仔箱論壇( _: }; W }; Z: q* l
Think about it this way
6 H" { j" J% ?( b公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvboxnow.com$ Y: g: m/ z& }3 i
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
9 p( Q6 R* p+ F) U# H8 Htvb now,tvbnow,bttvb
# |( i" ]5 r. @" O! mtvboxnow.com1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
9 L; k2 @9 d9 ?. }公仔箱論壇
8 g# R/ ?% u5 p, |! c5 ^" uthink 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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