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  • Brainly User
2015-09-08T20:14:21+08:00

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Let width be x
     lenght = 2x

Perimeter = 60
P = 2(W) = 2 (L)
 60  = 2(x) + 2(2x)
 60 = 2x + 4x
 60 = 6x
  60/6 = 6x/6
   10 = x

Width is 10 ft.
Length is 2(10) = 20 feet

Find the Area of rectangle
Area = (L) (W)
Area = (10 ft.) (20 ft.)
Area = 200 squared ft.
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