Question 787159
Length = x
Width = x/2 - 3
Perimeter = 2*length + 2*width
228 = 2(x) + 2(x/2 -3)
228 = 2x + 2([x - 6]/2) In bracket  common denominator = 2)
228 = 2x + x - 6
3x = 228 + 6
3x = 234
x = 78
Length = 78 feet
Width = 36 feet
Hope this helps.
:-)