jayjan2046

97啦

icy2828

total lost $197

foofoo8282

....ME A BIT STUPID 179+ITEM......CORRECT.....

shhak47

97元，肯定对

209241

亏了197+礼物

davelui

?????????

prozzy

the answer is -$97 for sure.
/ o; d, V1 M! C% Y0 C& o8 bThink about it this way 1 o3 D7 ?! A$ }# `) G3 P
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇+ E& N- W9 d; y* G" d! z
2) Now, the owner discovered that the 100 bucks is fake. You can think this as a lost of $100. therefore the overall gain is $3-$100 = -$97

dg168168

ryukihero

79-(21-18)+100+18=197

sisccsis

i would say $97 (79 + 18)

tmac2008

97 easy

tat_tat0210

i think it's 77
% m7 ?6 U4 X  _
$ K; r& F# A& z# I[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
9 D; p1 p6 ]! M8 }5 F公仔箱論壇公仔箱論壇/ Y; d! F/ J2 Q8 U  f
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18