The length of a room is 50 per cent more than its breadth.The cost of

1.	The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of 38.50m2 isăŚ924 and the cost of painting the walls at the rate of 5.50per m2 is ? 1,320. Find the dimensions of the room.
Answer» Let length (l)=x+1/2x=3/2xLet breadth (b)=xArea of floor=924×100/3850l×b=243/2x×x=243/2x^2=24x^2=24×2/3x^2=4^2x=4Area of 4walls=1320×100/5502 (l+b) h=24010×h=240/2h=12ml=3/2×4=6mb=x=4m thanks

The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of 38.50m2 isăŚ924 and the cost of painting the walls at the rate of 5.50per m2 is ? 1,320. Find the dimensions of the room.

Answer»

Let length (l)=x+1/2x=3/2xLet breadth (b)=xArea of floor=924×100/3850l×b=243/2x×x=243/2x^2=24x^2=24×2/3x^2=4^2x=4Area of 4walls=1320×100/5502 (l+b) h=24010×h=240/2h=12ml=3/2×4=6mb=x=4m

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The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of 38.50m2 isăŚ924 and the cost of painting the walls at the rate of 5.50per m2 is ? 1,320. Find the dimensions of the room.

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The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of 38.50m2 isăŚ924 and the cost of painting the walls at the rate of 5.50per m2 is ? 1,320. Find the dimensions of the room.