skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
/ ^$ ]# w* R/ Q$ Y0 A4 y# Xtvb now,tvbnow,bttvbthe answer is -$97 for sure. 5.39.217.76  z* I7 q! C( D4 `. n
Think about it this way ( K" x, c/ t3 P# @
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
, B' T2 I! [, J- s) @公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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5.39.217.765 {/ C0 y4 L% j- s1 j4 `7 g3 O
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。& }+ m7 y9 Z3 Z9 l
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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. c  r, G! V( T9 V公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5.39.217.762 c- ?; y2 I$ ]+ J3 v- Q

. c# L2 O4 M$ t0 `* N' D% }3 htvb now,tvbnow,bttvbI 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 ??? . L3 O* \0 T- n! m

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。4 O" O2 S- v- {& S, O0 {! o, S/ u' K

7 y! W; z& t" m/ B* d# }5.39.217.76dun 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+18TVBNOW 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。6 Z/ U/ @9 S1 e& d

, Z; n  u) ]" V' A5.39.217.76[ 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!!!