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.
- J* T1 j3 f: Q% v' n2 Q+ GThink about it this way 5.39.217.777 o# G' A- q* e% ]% n+ }9 x, Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ E+ p6 w. v4 P  A3 _2) 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,bttvb4 ^( M8 F2 P& b6 C+ a
! U; o! j! L, I! ~$ ?' q
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =2 d" A+ _& S# R5 e5 E# m0 C; T( c
" c( @' Y; I, ^7 Z
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18