原帖由 prozzy 於 2007-5-18 23:05 發表。 
6 N) T3 G( y0 g& Ftvb now,tvbnow,bttvbthe answer is -$97 for sure. 1 t7 W: i, }# D6 G1 ]4 \" a
Think about it this way 5.39.217.76. L, e" E7 A7 m( A: A
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
4 K9 l+ t$ M0 f2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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8 V/ x* p Y: f. \: ^1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
0 r* _8 b3 ~2 c3 {- G& jTVBNOW 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。
1 N! i& M( a$ v: b* r1 mthink 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.
7 O; R; c7 Q1 \) nTVBNOW 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。 公仔箱論壇' \/ C+ e+ `" R8 i) `6 i, M; o, o
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 2007-4-9 06:27 PM
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