Length= 6 + w/2-----------(1)
where w = width
The perimeter of the garden = 36yards
Perimeter = 2Length + 2 width
36 = 2(6 + w/2) + 2w
36 = 12 + w +2w
36 = 12 + 3w
3w = 36-12
3w=24
3w/3= 24/3
width= 8ft
substituting for w in equation 1 gives
Length = 6 + 8/2= 6+ 4= 10ft
