SOLUTION: What is the length of an office with 800 square feet of floor space which is twice as long as it is wide?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: What is the length of an office with 800 square feet of floor space which is twice as long as it is wide?      Log On


   

Question 801988: What is the length of an office with 800 square feet of floor space which is twice as long as it is wide?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2=800
x^2=800/2
x=sqrt 400
x=20
2x=40