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.
/ D2 q2 [. E7 X0 Z+ X+ ]Think about it this way tvb now,tvbnow,bttvb& s/ B" L( I! v- f: B. `2 i
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇. y4 Q% o; ?7 ~, h
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
8 @# J! @4 @' G( L" [( r( R% \6 t2 t  c$ H% R! r# S7 H. g
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =8 f* s; |* j4 n; w
公仔箱論壇1 v7 m4 j5 {. E3 |" T3 D
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18