原帖由 prozzy 於 2007-5-18 23:05 發表。 
% T! i7 H4 r8 E4 E, ^+ I3 Hthe answer is -$97 for sure. tvb now,tvbnow,bttvb2 g) _& R" e, ? {1 D* y
Think about it this way TVBNOW 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。7 E# G8 [. {" u: S: N
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.764 `2 ]. T3 Z* @2 Q* K" `2 r
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
' O# p+ Y6 q0 W; A, D/ _1 T5.39.217.76 TVBNOW 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。( @+ T+ f6 Y2 J% H Y2 Y2 C
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong7 y) y# O& j3 D) u9 O
' B1 ?0 L2 r% j) ^5.39.217.76think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.tvb now,tvbnow,bttvb4 [3 B$ K, f! f. ^( x; v
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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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