Question 760478
Width = x
Length = x + 8
Area = Length * Width
240 = x(x + 8)
240 = x^2 + 8x
x^2 + 8x - 240 = 0
(x - 12)(x + 20)= 0
 x = 12 x = -20 (no answer)
Width = 12m
Length = 20m