Question

A path 3 m width is running along the inside of the boundary of a rectangular field 116 m by 76 m. how much money is needed to gravel th the path at ₹42.50 per m^2 ?

Answer 1

area of path = (116×76) -{(116-6)×(76-6)}
=8816 - 7700 = 1116 m^2

hence the total cost of gravel the path =( 42.50 × 1116) = Rs 47430

I hope this will help you....