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197 is the right answer.
- F+ h1 |  @- t& `% T, e+ b! \, R公仔箱論壇5.39.217.77' k0 x$ [; z$ G* n
Reason, 5.39.217.77" g5 ]$ _+ x7 ?6 S$ f1 V- R

7 ]/ Z- T2 D2 W6 B/ @' A5 r6 R1. $18 costs on Item   = -$18
6 f: A3 N' @6 u8 z9 J公仔箱論壇2. got $100 fake, (no income) , layout $79, = -$79$ ?( F5 ~  B% f  @9 Y+ w0 c
3. pay back to $100 to that vendor whom exchange  fake $100 here -$100
2 K8 F; o# j' N% d1 H公仔箱論壇
' f3 Y) j2 L6 g+ kTherefore, totally, 18+79+100 = 197   
是不是118呢,输了100元跟一件成本18元的礼物
197
118
Thx
200
97 dollars
97
thx.................
97
let see see
197
O.o what is answer?
O.o what is answer?
  |- n. d9 b5 v* K" l, X公仔箱論壇
原帖由 wwk6002 於 2007-5-5 22:53 發表。 tvb now,tvbnow,bttvb5 f( r0 ^5 e! ?2 {$ d1 T
請答197的人想清楚!
& F6 _/ Y" c0 P' G/ i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,
8 ^4 _+ ?) e& }  O; F$ E8 ]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,. s4 {0 Y' @/ k# Q8 x' y
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ...
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: l# C! x# n2 A! N- QYes, 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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