Question

find the cost of carpeting a room 13m by 9m with a carpet of width 75 cm at the rate of rs 105 per m

Answer 1

Area of the carpet = Area of the room = 13m * 9m =117 sq mlength of the carpet = (Area/width) = 117m * (4/3)m = 156 mCost of carpeting = Rs (156 * 105) = Rs16380

Answer 2

Length =13m
Height =9m
Breadth=0.75m
Volume =13m×9m×0.75m
=117m×0.75m
=87.75m
Cost of carpeting= 87.75^2m×105/m
=9213.75 rupees ans.