Question 758132
Width of a room = x
Length of a room = x + 25
Perimeter = 2xlength + 2xwidth
   150 = 2(x + 25) + 2x
   150 = 2x + 50 + 2x
   150 = 50 + 4x
   100 = 4x
     x = 25ft.
So, Width = 25ft, Length = 50ft.
Hope this helps.
:-)