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. 公仔箱論壇* O6 }% q7 w1 m
Think about it this way & f! S) |: m/ d7 H. B8 [
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
$ M7 X9 ^4 k+ s7 \. X+ rtvb now,tvbnow,bttvb2) 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
' B/ v8 e1 b' B) F. Q0 h$ T2 h% Utvb now,tvbnow,bttvb: I4 V$ N0 O3 S* P3 @! t/ o/ {+ R
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =os.tvboxnow.com6 R0 s  K3 U+ l# r) M* o" V) Q5 k& K

# A9 t: w, B  p- q5 \tvb now,tvbnow,bttvb[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18