SOLUTION: the area of a rectangle is 144 square meters. The length of the rectangle is three times its width. Find the length and width of the rectangle.

Algebra ->  Rectangles -> SOLUTION: the area of a rectangle is 144 square meters. The length of the rectangle is three times its width. Find the length and width of the rectangle.      Log On


   



Question 450855: the area of a rectangle is 144 square meters. The length of the rectangle is three times its width. Find the length and width of the rectangle.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
x(3x)=144
3x2=144
x2=48
x=4√3
width is 4√3m., length is 12√3m..