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. ; `6 O! o' A" d, ^( d
Think about it this way & Q5 P) d# q- P8 E! N% h
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)+ v9 \2 c6 Z7 F- a: k( k6 Y, 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
6 Y7 e- a( ~) `  G4 K5 a/ s; Ttvb now,tvbnow,bttvbTVBNOW 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。" G. y+ q! u) a8 W
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
) `. j1 o$ K) Hwww2.tvboxnow.com, K; \, i5 p" e7 U
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18