The length and breadth of a hall are in the ratio 4:3 and its height is 5.5 m . The cost of decorating its walls (including doors and windows) at Rs.6.60 per square metre is Rs.5082. Find the length and breadth of the room.

The length and breadth of a hall are in the ratio 4:3 and its height i

1.	The length and breadth of a hall are in the ratio 4:3 and its height is 5.5 m . The cost of decorating its walls (including doors and windows) at Rs.6.60 per square metre is Rs.5082. Find the length and breadth of the room.
Answer» The length and breadth of a hall are in the ratio $4 : 3$ and its height is $5.5 m$ . The cost of decorating its walls (including doors and windows) at $R s . 6.60$ per square metre is $R s . 5082$ . Find the length and breadth of the room.