Question

a rectangular floor of a room is 18 M long and 12 m wide. find the cost of covering the floor with carpet 6 m wide at rupees 40 per metre

Answer 1

area 18 ×12 =216m
216÷6 =36 carpets of 6 m wide
total cost 36×40 = 1440 Rs

Answer 2

Answer:

Rupees 1440

Step-by-step explanation:

First find area of floor.

And it is 216 sq. m. By formula of area of rectangle.

Thus we need such 6 carpets of 6 m to cover the floor.

∴ Carpet meter =6 * 6= 36 m

Cost of a meter carpet is 40 rupees

∴ Cost of 36 m carpet =36 * 40 = 1440 rupees.