Question

how to find
area of roads
area of path excluding roads
cost of laying grass at rupees 5 per square metre

Answer 1

area=l*b
find area of rectangle l=54,b=40
then find area of road l=40,b=2
area of road is 40*2
area of path exc. road 54*40-40*2
cost =area of path exc. road * 5