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.
: B7 W9 e6 U# b- C6 M公仔箱論壇Think about it this way 公仔箱論壇' a  W4 ?" U0 G
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
3 O- r# C' \* E3 itvb 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
. S  r) m) B8 l: _* W5.39.217.76: l* @5 j0 _! s( X0 P
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =6 J+ X& n7 v8 F) `! w; T! i
) I1 j3 }# o5 C6 y
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18