Question

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

Answer 1

Length of the room = 13 m Breadth of the room = 9 m Area of the room = l × b = 13 × 9 = 117 m2 Let the length of the carpet required = 'l' m Width of the carpet = 75 cm = 0.75 mArea of the carpet = Area of the room ⇒ l × 0.75 = 117 ⇒ l = 117 / 0.75 ⇒ l = 156 mLength of the carpet required = 156 m Cost of the carpet per metre = Rs 105 Total cost of the carpet = 156 × 105 = Rs 16380.