The cost of carpeting a room 15m long with a carpet 70cm wide at Rs.8 per metre is Rs 1920.Find the bredth of the room.
Area=15*.7*Breadth
Cost=Area*cost/area
1920=15*.7*breadth*.8
breadth= 1970/(15*.7*.8)
Cost=Area*cost/area
1920=15*.7*breadth*.8
breadth= 1970/(15*.7*.8)