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. $ Q- |# S* t) L/ ]7 U4 m
Think about it this way
; f7 ]; L3 M2 i# Z1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇: x. E; S$ Z; c# u
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' J$ o1 w; i2 O( I. E

2 r1 @4 u! S$ _$ s0 Qtvb 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" B. Z5 \+ z; O0 E6 `% A+ i9 x

2 j$ C! G0 Q6 R0 L; l2 k- Ztvb now,tvbnow,bttvb[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18