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.
2 ~9 ]- j& _9 R. D; h( a; oThink about it this way - d) I3 l4 f. ^' v8 l2 n. ^
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
; a0 F7 L- T4 e* i6 V3 C7 `( [& D( ?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
6 Y3 U3 z# L5 Q( {% t5 ^1 m* e, A6 u( R( J1 b
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
6 k3 B0 @( q/ w1 Y; Y! S
0 R; L+ ~$ p* t' N公仔箱論壇[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18