SOLUTION: A rectangle is 5 times as long as it is wide. If the area is 80 square feet, what is the perimeter?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A rectangle is 5 times as long as it is wide. If the area is 80 square feet, what is the perimeter?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1144802: A rectangle is 5 times as long as it is wide. If the area is 80 square feet, what is the perimeter?
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


x = width
5x = length

area = length times width = x(5x) = 5x^2 = 80

The perimeter is (length plus width) times 2 = (5x+x)(2) = 12x

Solve

5x%5E2=80

to find x.

Then the perimeter is 12x.