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.
' B1 L# ?7 ]- [# V6 ctvb now,tvbnow,bttvbThink about it this way 5.39.217.763 U% r) j2 F& b; a
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)* I6 _) B' Y8 v
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 774 a' p( M1 w3 U3 D6 V
公仔箱論壇9 j2 t( p( N4 l+ s/ i
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
# e1 z1 T4 ~! q4 S
2 d7 ]! o" W! @' X. F, H[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18