原帖由 prozzy 於 2007-5-18 23:05 發表。  tvb now,tvbnow,bttvb2 x C3 S* e$ }, _
the answer is -$97 for sure. 公仔箱論壇9 Y2 H& h; a6 ^. {, J* k: p
Think about it this way
# X5 k1 ]( q& S a% C$ o& X3 i% D3 |公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
, T* r- S, d) Z9 {( m6 u3 J公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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( g% w) L' I( ?6 _$ o7 Q+ j6 j: v, lwww.tvboxnow.comthink 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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