What is the width

Question

The length of a rectangle is 5 meters less than 3 times the width The perimeter is 46.

 

Answer 1

2*L + 2*w = 46

 

2(L+w) = 46

 

L + w = 23

 

(3w-5)+w = 23

 

4w - 5 = 23

 

4w = 28

 

w = 7

 

Width is 7, Length is 3(7) - 5 = 21 - 5 = 16