SOLUTION: The tray table on the back of an airplane seat is 7 inches longer than it is wide. Find the length and width of this table if its perimeter is 62 inches.

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Question 864847: The tray table on the back of an airplane seat is 7 inches longer than it is wide. Find the length and width of this table if its perimeter is 62 inches.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



P = 2L + 2w = 62in

  L + w = 31in

(w+7) + w = 31in

    2x = 24in

     x = 12in, the width.  The Length is 19in

And...Checking

 19in + 12in = 31in