Answer:
5 ft
Explanation:
So we know that
perimeter of the garden= 14 ft
width= x
length= x+1
perimeter = l + l + w +w
substitute your values into the equation
14= x + 1 + x + 1 + x + x
14= 4x + 2
14-2= 4x
12=4x
12/4=x
Hence we know that
width=4
length=4 +1
length= 5