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原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.764 G: z  w  \; d# ?2 q; d- x* k; ~8 J- Q
the answer is -$97 for sure. 5.39.217.76% M4 C! ?& ]2 _) g
Think about it this way 5.39.217.760 B) j7 R  R& {6 Q6 @$ d5 B" K
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
& y  U4 G! E  h# e1 f2 r5.39.217.762) Now, the owner discovered that the 100 bucks is fake. You can th ...
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: T! P0 y$ Y4 M- x0 \5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇" |/ @( }$ D, L5 U+ ~

( |* W- D( Q% Y+ atvb now,tvbnow,bttvbthink 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.1 {- U/ k! V/ j/ n

( K1 T' @* Q: T) ~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.
??? 369258 ? 2007-6-28 23:29 ???
' N1 s/ a' a/ M2 ?* B% U5.39.217.76
公仔箱論壇1 A1 S0 M  [# c9 Z* \: K
tvb now,tvbnow,bttvb2 m5 K0 t5 O; 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.

回復第 1 帖由 idontgiveashit 所發的帖子

97
179+18
: E7 |; ]" }( x# H+ x9 h. U公仔箱論壇tvb now,tvbnow,bttvb0 X3 N/ _' H% o# p
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]
118

$97 lost

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回復第 213 帖由 skybirds 所發的帖子

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??
18+79=97
not 97 ma ?
197
Thanks for sharing!!!
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