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197 is the right answer.
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7 {5 o  o8 ~- m' T9 D" I8 @Reason, . {9 Q6 S( o4 r0 a. V- f
公仔箱論壇5 D7 e3 u/ Q: r& ~
1. $18 costs on Item   = -$18
' Y. x- U/ d6 r% N2. got $100 fake, (no income) , layout $79, = -$79
" z7 Z) u* b0 {& O3. pay back to $100 to that vendor whom exchange  fake $100 here -$100 : ]5 U4 g; r/ F& u2 @! W3 T  ?. r$ ?

& T9 H: V! ~8 Z# ~2 g+ m9 v5.39.217.76Therefore, 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?# c0 q% e- ?0 V# `. U6 R' M7 \
原帖由 wwk6002 於 2007-5-5 22:53 發表。 5.39.217.76) y0 d4 d0 e% n. ?
請答197的人想清楚!; _2 O# r7 w& e: o. n1 }
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,
2 u, b! q+ R  K$ E5 \8 o+ s1 p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,
2 E9 U( g% K2 n1 A- u公仔箱論壇用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ...
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3 d/ V5 ^* C) V4 ?8 O+ YYes, 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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