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.
; N# s# S" _+ ]0 xwww3.tvboxnow.comThink about it this way + U7 P) I5 W+ S* g
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ p4 u7 B- F# A  C4 P2) 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
) \& u  e: Q0 j7 D- `1 b2 o2 {! h/ Swww3.tvboxnow.com, M2 m2 q; a' d. e0 l
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇; P) W$ h, t) u- Q
% K* j6 K; N) s# c
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18