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 P+ a! O6 J9 j: yThink about it this way
) A( e7 \" N+ N  m, m  `; K1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)0 M6 b9 i5 m% d* Y
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 77tvb now,tvbnow,bttvb4 a  |1 P% h9 L; o8 ?8 M

/ O( L3 n$ D0 ^# vtvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇' H9 C5 D( q- `1 \2 g7 U

. y; Z1 m/ N/ YTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18