SOLUTION: if the perimeter of a rectangle is 400 cm and the ratio of width to length is 9 to 11 what are the deminsions of the rectangle

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Question 716959: if the perimeter of a rectangle is 400 cm and the ratio of width to length is 9 to 11 what are the deminsions of the rectangle
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
400=2(9x)+2(11x)
400=18x+22x
400=40x
400/40=x
x=10
9x=90 W
11x=110 L