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原帖由 prozzy 於 2007-5-18 23:05 發表。 0 R- u: y  y8 g& W7 R. e5 n
the answer is -$97 for sure. : x! m7 u$ U. E7 t
Think about it this way
1 k0 K/ X5 @  J4 O0 n0 z1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
  W9 w' p5 M8 k" `2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.764 a5 X: p  x: N1 j2 |0 P2 q+ `3 n

# R1 x% o# ~" R! b0 n0 h5.39.217.76 5.39.217.76; Z9 u. S+ U9 u$ [  M& v' R, f! m
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76& G; A" ]7 a, Q8 H: C% F+ d
公仔箱論壇  B2 _3 P7 |4 E! ]# ^
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5 I1 P# Y: u) h8 `1 x3 q9 j
5.39.217.765 w+ Q' X, B' [+ {% F8 I
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ???
* H, ~$ g, s2 p! a( n5 ?; Jtvb now,tvbnow,bttvb
公仔箱論壇0 ^2 H5 l0 o, h5 S

: n/ f+ _  c: v# v4 Tdun 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+18tvb now,tvbnow,bttvb: T# d8 [3 y1 f3 E( h3 z/ ^

$ o8 H0 ]% s& M& Otvb now,tvbnow,bttvb[ 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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