SOLUTION: Find the length and the width of a rectangle if the perimeter is 40m and the length is 3x the width =

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Question 843176: Find the length and the width of a rectangle if the perimeter is 40m and the length is 3x the width =
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



length is 3x the width highlight_green%28w%29

 2(3w) + 2w = 40m

     8w = 40m

      w = 5m and the length is 15m

CHECKING our answer***

 2•15m  + 2•5m = 40m

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