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197 is the right answer. ; o# h1 {3 h7 a) j6 ~9 b
tvb now,tvbnow,bttvb& k+ |  N* B: J9 a# ~0 z6 `
Reason, ! ?  c  b! L5 j8 Y! H  |

8 c9 C$ i$ Q3 S& I1. $18 costs on Item   = -$18
* L& K; Z2 L" \( wtvb now,tvbnow,bttvb2. got $100 fake, (no income) , layout $79, = -$79
* R) e5 s  E7 w- d1 d/ A/ Q. qtvb now,tvbnow,bttvb3. pay back to $100 to that vendor whom exchange  fake $100 here -$100
( H2 r2 {9 q) \% ^3 qtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb2 J5 r- L, _; x& A. d: \
Therefore, totally, 18+79+100 = 197   
是不是118呢,输了100元跟一件成本18元的礼物
197
118
Thx
200
97 dollars
97
thx.................
97
let see see
197
O.o what is answer?
O.o what is answer?公仔箱論壇0 J2 ~1 Z6 o9 W: H1 {$ w
原帖由 wwk6002 於 2007-5-5 22:53 發表。
. Z# W& m7 B# D2 }/ f5 c% e1 I' I公仔箱論壇請答197的人想清楚!
9 m4 K) x  d; H2 U# ~tvb now,tvbnow,bttvb老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,tvb now,tvbnow,bttvb9 K8 E, @  I( M( y# H- F& _2 W3 i
即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,
1 v' e1 s; c/ h3 itvb now,tvbnow,bttvb用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ...
4 W; n' `. p" F  R/ wtvb now,tvbnow,bttvb公仔箱論壇* u9 f  B( K+ f4 Z
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Yes, your answer is correct, but is only the 1st part, u forgot he paid back another $100 to his neighbor, that is another $100, not related to the first $100, you really have to 想清楚
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