The length and bredth of a hall are i...

The length and bredth of a hall are in the ratio `4:3` and its height is `5. 5m e t r e sdot` The cost of decorating its walls (including doors and windows) at `R s .6.60p e rs q u a r em e t r e` is `R s .5082.` Find the length and breadth of the room.

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