Question

a room is 15 metre long and 8 metre broad then the cost of carpeting the room at the rate of Rs 7.20 per square metre is​

Answer 1

Answer:

The given dimensions are 15m and 8m which belongs to a rectangle.

So,

Area of rectangle = l×b

= 15 × 8

= 120m^2

The cost of carpeting per m^2 is given as 7.20

So,The cost of carpeting is

= 120 × 7.20

= ₹864

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Answer 2

Length of room= 15 metre

Breadth of room=8 metre

Area of rectangular room = length × breadth

                                           = (15 × 8) metres

                                           = 120 metres

Rate of carpeting per square metre = Rs. 7.20

Total cost of carpeting = Rs. 7.20 × 120 metres

                                      = Rs.864

                        Ans: Total cost of carpeting room is Rs. 864.