Question

A room is 18 m long and 14 m wide a carpet 3m wide is spread on the floor find the cost of carpet at ₹25 per Square metre

Answer 1

Answer:

Step-by-step explanation:

Length of carpet=18m

Width=3m

Area=18×3=54m^2

Cost per m^=

25

I e, Total cost= 54×25=1350

Answer 2

carpet is in the shape of cuboid

there for surface area of carpet =

2(lb+bh+hl)

=2(18*14+14*3+18*3)

=2(252+42+54)

=2(348)

= 696

there for cost = 696*25

=17400Rs