Question

find the cost of carpeting a room 12 metre long and 9 metre wide at the rate of rupees 85 square metre​

Answer 1

Step-by-step explanation:

Area of the floor= l x b

= 12x9

=108 m2

Cost for 1 square metre= Rs 85

Cost for 108 square metre= 108 x 85

= Rs 9180

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Answer 2

Answer :-

• The cost of carpeting the room at a rate of Rs. 85 per metre square is Rs. 9180.

Step-by-step explanation ::

To Find :-

• The cost of carpeting a room at the rate of Rs. 85 per metre square.

Solution :-

Given that,

• Length of the room = 12m
• Breadth of the room = 9m

Therefore, the area of the room is,

As we know that,

Area of rectangle = l × b,

Where,

• l = Length
• b = Breadth

⟹ Area = Length × Breadth

⟹ Area = ( 12 × 9 ) m²

⟹ Area = 108m²

• The area of the room is 108m².

According the question,

The cost of carpeting the room at a rate of Rs. 85 per metre square is,

⟹ Rs. ( 85 × 108 )

⟹ Rs. 9180.

Hence, The cost of carpeting the room at a rate of Rs. 85 per metre square is Rs. 9180.