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.
7 R: k+ }: U4 B9 c# `0 ?2 Ltvb now,tvbnow,bttvbThink about it this way www.tvboxnow.com2 n' y; y- O/ H6 a
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
7 ^: {% P' @& v) D" A; Ltvb now,tvbnow,bttvb2) 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
0 c2 s* s; b! _4 w6 o公仔箱論壇8 F- ^+ d  m4 I8 I4 }" o  O
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
% \3 ~) e1 G3 W& N9 z, ]. j) }公仔箱論壇
& y: ~8 p6 l' Q% Xtvb now,tvbnow,bttvb[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18