The perimeter of a rectangle is 36 ft. The length is 2 less then 3 times the width. What is the Length? what is the Width?
2 years ago Comment
perimeter is equal to 2 times the length plus 2 times the width
P= 2L + 2 W
L=3W-2 using the substitution in perimeter equation
P = 2(3W-2)+2W=36 , WE SOLVE THIS EQUATION