Question 763421
Width = x
Length = 12 + x
Perimeter = 2* length + 2* width
    68m = 2(12 + x) + 2x
    68m = 24 + 2x + 2x
    68m = 24 + 4x
     4x = 68 - 24
     4x = 44
      x = 11m
Width = 11m
Length = 23m
Hope this helps
:-)