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 -$97 for sure.
# f4 w: u4 e7 ]. i5 [. NThink about it this way tvb now,tvbnow,bttvb) B2 {- {4 _9 w. B, A$ ]5 v7 s
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb+ _# r- l& L7 X6 n- l
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 77
/ d% x$ S# b# w# j2 ?tvb now,tvbnow,bttvb9 S& s1 r6 F* u9 Z5 C
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
9 i  ~. o: A: S) Z9 U" |
6 U' R7 I: k! t+ E; x公仔箱論壇[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18