
Mason O. answered 01/23/23
College Essay and Application Consultant - Stanford Student
(L*W) * 2 = Perimeter
In this case, we are not given the length, but we are given the total. Therefore, you would set up the equation like this:
(2)(3 +L) = 18= The perimeter of the rectangle
Then you would solve for L:
3+L = 9
L =9-3 = 6
Therefore, the rug would be 6 feet long.