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.
& J7 ?% n& ~2 Z( d3 u; Utvb now,tvbnow,bttvbThink about it this way
7 i4 t3 T+ w; P7 j) N0 O" `9 P1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
8 K& ^: d7 }, |" _% V. S/ g1 Y2) 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
$ B( {! A- P& T( z8 J' ^% u
% l, e9 V( U. wtvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =tvb now,tvbnow,bttvb% \6 F* e+ f8 s1 l# U' f! p  e
公仔箱論壇2 e* M; k$ X. G
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18