Hi,

     .

L + w = 148m

L + 3L = 148m

4L= 148m

L = 37m  and w = 111m 

And...checking

L + w = 148m

Wish You the Best in your Studies. 

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
 



Perimeter: 









 Width  ,so



































 

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