skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.778 F0 N# L1 e5 T- F% {8 w
the answer is -$97 for sure.
9 h: }1 d6 ^8 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。Think about it this way 公仔箱論壇* y' q2 o+ x- O
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)3 u% i! \( o$ F4 Y% Z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

公仔箱論壇) z9 P* p/ r" y2 i
, t, A+ }- f  E) K
5.39.217.77/ Y2 m7 D* V3 T, z3 C
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。4 j- o/ Y& o2 D4 f) o9 F9 n; A

9 B; ?5 ^3 t7 T( s" ?公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
- C& L4 c* n: a& A$ W
1 q( @$ {2 i2 F6 K2 h- n( o+ uI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ??? 5.39.217.772 i: W8 z) [4 k3 z) U

, Y, p0 }) v' N& \. xTVBNOW 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。5.39.217.77$ Z9 @  F( s9 a  e6 \5 j( K; b
dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18
9 [4 W5 r  T; J+ o公仔箱論壇
; J4 i, K' i& [[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!