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.
; v. H4 L1 v' \2 g/ g, E* w% P+ t公仔箱論壇Think about it this way tvb now,tvbnow,bttvb4 w) E5 W0 d8 E
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ N8 ]7 {; |& s# d7 q8 w2) 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; P: ?2 T; S& C
tvb now,tvbnow,bttvb0 ^. ?$ L; y) g% D( B; \  z( v
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
9 @1 j: s% G* D* R* a9 j( s% Z& m* mtvb now,tvbnow,bttvb
2 l: N4 d, X0 U1 I5 t+ V[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18