SOLUTION: The perimeter of a rectangle is 100 feet. The length is 30 feet what is the area?

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Question 513662: The perimeter of a rectangle is 100 feet. The length is 30 feet what is the area?
Answer by umail08(87) About Me  (Show Source):
You can put this solution on YOUR website!
Let: L=Length and W=Width
Perimeter = 2L + 2W
100ft = 2(30ft) + 2W
100ft = 60ft + 2W
100ft – 60ft = 60ft – 60t + 2W
40ft = 2W
40ft/2 = 2W/2
20ft = W
Area = L x W
Area = 30ft x 20ft
Area = 600 sq.ft.