原帖由 prozzy 於 2007-5-18 23:05 發表。  ; s1 c0 e+ u5 ], c
the answer is -$97 for sure.
, {' Z5 I% {2 a2 Z u5 Y2 \, vTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Think about it this way
' u/ \0 H$ S- o+ U) A2 J! @, o公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb: l8 O* H( o, f2 r
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.769 X* } H0 g7 ?3 _/ }3 Q
2 n+ w5 j0 g6 M* Ftvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76; \5 h4 h: s6 Z n
0 w/ Z- t$ B: J5.39.217.76think 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.tvb now,tvbnow,bttvb: a: e) Q, R7 Z5 }5 c
' A7 n7 V- x9 W% q. r7 V ?公仔箱論壇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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