Question

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

Answer 1

first we will find the area of room=(13*9)m sq.=117m sq.
then we shall change 75cm into metre that is=0.75m
now we shall find the area of carpet required=117m/0.75m=156m
now total cost=156*105=Rs16380