Question 7952
As per the question 
L = length = 2W-5
W = width
again 2(L+W) =230
2(2W-5+W) =230
or 4W-10+2W=230
or 6W=240
or W = 240/6=40
so L=2*40-5=75
so length = 75 ft and width = 40 ft