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. 公仔箱論壇" R4 f8 s" w; m* V; U
Think about it this way 4 Q- A6 ]4 j7 b( O: N! S9 Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
8 E1 ?& F+ {6 w, Otvb 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
5 V) f. y9 o* r) S* I7 {, ~' r
9 [4 G! g9 ~/ _/ `8 L0 y6 p% `tvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇& L9 K7 V& a  v7 P8 y
6 L# `, @$ X0 G5 a+ _- P. M! W' }0 x
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18