SOLUTION: The length of a rectangular pool is 4 meters less than twice the width. If the pool's perimeter is 142 meters, what are its dimensions?

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Question 673776: The length of a rectangular pool is 4 meters less than twice the width. If the pool's perimeter is 142 meters, what are its dimensions?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



The lengthhighlight%28y%29 of a rectangular pool is 4 meters less than twice the widthhighlight%28x%29

    P = 2L + 2W = 142m

         L + W = 71m

          y + x = 71m    y+=+2x-4

       (2x-4) + x = 71m

            3x = 75m

             x = 25m, the width.  the length is 46m