Problema Solution

The length of a rectangle is twice the width; the perimeter is 42 inches. find the width

Answer provided by our tutors

The length of a rectangle is twice the width; the perimeter is 42 inches. find the width  

 W+2W  = 42/2 = 21

Or, 3W = 21 Or,

W = 21/3 = 7Width = 7 inches.