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.
: q9 O! h5 ^9 |1 f% w. x, M( @2 N公仔箱論壇Think about it this way 公仔箱論壇. B( s" G! A. `  n4 b) Q
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
+ v. P. \3 Y+ A公仔箱論壇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
8 F- Q' x, b/ w& M5 }; p! Ntvb now,tvbnow,bttvb" Z6 u8 Q5 |& i+ I$ A4 w
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇( ^# `. v; M( Y

3 ~5 L; h1 R1 }2 \" `4 I5 p[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18