原帖由 prozzy 於 2007-5-18 23:05 發表。 
2 g O1 d) E6 v公仔箱論壇the answer is -$97 for sure.
, ?. z+ P, a4 p1 M# e% p% a2 ]tvb now,tvbnow,bttvbThink about it this way 5.39.217.762 c. O6 L h0 y. p) _# ~2 h+ ]
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76. t# t+ ]7 b8 m$ ]7 C+ ?, m
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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5.39.217.76$ N9 t! A( j4 n3 J6 S- I8 z, f' I3 m
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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* y0 C6 e6 P: r9 t$ \# sthink 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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% D3 b6 K5 h1 A' L! o: }tvb now,tvbnow,bttvbI 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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