Question

Half the perimeter of a garden, whose length is $4$m more than its width is $36$ m. The lenght of the garden is _m

Answer 1

Let the width be x.
then length be x+4
NOW
l+b=36
x+(x+4)=36
2x+4=36
2x=36-4
2x=32
x=16.
Hence, The length of garden will be 20 m and width will be 16 m.