skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 + c# A: q+ |3 Q5 D+ j, O1 `
the answer is -$97 for sure.
9 U3 Z- O, B6 l+ r, n: E, N6 LThink about it this way 9 j2 h- h* ^3 C9 b
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' z2 y; t! ^5 a, r8 W/ D/ V" `2 q5.39.217.762) Now, the owner discovered that the 100 bucks is fake. You can th ...

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) m# k8 ?9 G5 @& Y4 \* h1) 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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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 [8 m0 x" t0 Z6 j5 k: H) W4 M+ U

/ b, W; S! D( g3 u0 s' o8 P4 a公仔箱論壇I 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 ??? 公仔箱論壇& P9 v6 ^& x; i) \

5.39.217.76: h2 e3 P( r; P4 p8 [2 U6 `* k

) F7 R+ V3 ]/ E4 {8 G# R' T- @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。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
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7 ]- i+ p% T6 }# F  n3 g: qtvb now,tvbnow,bttvb[ 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!!!