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 -$97 for sure. 3 G- k3 u+ {  `$ _
Think about it this way . R: S' r% q, r: o) H( R
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
! i9 v2 \" _) L5.39.217.77:88982) 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 77tvb now,tvbnow,bttvb& }; S. A- c8 s4 A0 q2 q" u

0 Q3 i" e3 u, W0 a9 L7 L0 [tvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =5.39.217.77:88989 c. ?; i( W# _: P' g% g6 j5 t7 k

+ M3 t& I! f3 htvb now,tvbnow,bttvb[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18