SOLUTION: The perimeter of a rectangle is 162ft. The ratio of the langth to width is 5:4. Find the length of the rectangle.

Algebra ->  Rectangles -> SOLUTION: The perimeter of a rectangle is 162ft. The ratio of the langth to width is 5:4. Find the length of the rectangle.      Log On


   

Question 533909: The perimeter of a rectangle is 162ft. The ratio of the langth to width is 5:4. Find the length of the rectangle.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the common factor between the length and width. Then represents the length and represents the width. The perimeter is given by 2 times the length plus 2 times the width, so:



Solve for then compute to get the length.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism