The length of a rectangular garden is five times its width.
a) Write an expression for the perimeter
of the garden.
b) Find the perimeter if the garden is
20 m wide.
c) Find the length and width if the
perimeter is 180 m.
d) Write an expression for the area of
the garden
e) Find the area if the garden is 30 m
wide.
f) Find the length and width if the area
is 500 m²