SOLUTION: the perimeter of a rectangle is 30 m more than three times its width. if the perimeter is 84 m, find the length and width of the rectangle.

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Question 394938: the perimeter of a rectangle is 30 m more than three times its width. if the perimeter is 84 m, find the length and width of the rectangle.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x represent the width and y the length

Question states***Write as we Read

3x+30m = 84m

   x = 18m, the width

 2y + 36 = 84m         | P = 2*length + 2*width

   y = 24m, the length