原帖由 prozzy 於 2007-5-18 23:05 發表。  5 b' G5 P" Y; p% o
the answer is -$97 for sure. www.tvboxnow.com( z4 D6 J" r4 ?7 a2 R
Think about it this way
, o/ e) E9 U+ {: u8 \9 I; F# {tvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
2 [4 O) ? Y( i3 ^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。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
www.tvboxnow.com9 s* g: G* c1 `9 F+ J
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongwww.tvboxnow.com9 k( e4 N" v' J6 m
6 E4 F' ?6 E4 f ATVBNOW 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, 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.2 P" n K% c1 g0 P8 K( `) M
& S& g9 |) H4 h1 \( W; T( _www.tvboxnow.comI 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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