<PRE><B>Question 988568</B>
Hi dear,
Since her room measure 12*20,
Area of her room=12*20
           =240sqrt unit.
If area of the border is 1/3 area of the room.
Then,
Area of the border=240/3
       =60squt sunit
 Area of the carpet mary will buy =240-60
  =180squrt unit
The mearsure of area of carpet to be buy is 180squrt unit.
HOPE THIS HELPS?
::TIMNEWMAN:: </PRE>