skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
5 E4 L* |+ t, J- M5.39.217.77:8898the answer is -$97 for sure. 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。, W+ t4 T; U9 o( Q
Think about it this way 7 e: v3 F7 j# Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
$ r9 n+ w' E+ ?2 v2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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" x! ^9 S2 D: V4 s6 cTVBNOW 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) 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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6 r% b  C8 v' S) V# Nthink 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.
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; T0 g: V/ g! X6 g: X' f/ R5.39.217.77:8898I 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 ??? 5.39.217.77:88981 y+ ~! G' j  O7 A# T0 @

1 o) ~% n) i8 t4 w, \- I公仔箱論壇5.39.217.77:8898" p/ P3 F! x* n( C8 U
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

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公仔箱論壇9 t+ x2 m0 L3 p4 b3 |/ m
[ 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!!!