SOLUTION: The length of a rectangular pool is 4m more than twice its width. The perimeter of the pool is 20m. What is the area of the pool?

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Question 849891: The length of a rectangular pool is 4m more than twice its width. The perimeter of the pool is 20m. What is the area of the pool?
Answer by hamsanash1981@gmail.com(151) About Me  (Show Source):
You can put this solution on YOUR website!
Let width be x and length = 2x+4. Perimeter = 20
2(l+b) = 20
2(x+2x+4)=20
3x +4 = 10
3x = 6
x = 2
Width = 2 and length = 8
area = 2*8 = 16 sq.m