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 -$97 for sure. ; T, r0 g# b8 H
Think about it this way
% f& d; C" N$ B7 J1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' U. P2 p/ W1 i" E% x/ D5.39.217.762) 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
3 t( l4 }( y& p
8 F9 H; S  C. q6 m8 x' V% l) ]" g5.39.217.76[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇$ P/ K1 L; j+ v

# ^6 E8 x7 h% B( p0 s/ |[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18