a 20 m by 15 m lawn is surrounded by a concrete path 2.5 m wide. Find the area of the a) lawn b) lawn and path c) path

Answer 1

the new length = 20 m + 2(2.5)m = 25 m
the new width = ...

area of lot including the path = ..
area of law = 20x15 m^2 = 300 m^2

path = (lot including path) - 300 m^2

there you go, all set for the arithmetic