SOLUTION: The length of a rectangle is twice the width. The area is 450yd^2. Find the length and width. I tried 900 and 225, but I am not sure that is correct.

Algebra ->  Rectangles -> SOLUTION: The length of a rectangle is twice the width. The area is 450yd^2. Find the length and width. I tried 900 and 225, but I am not sure that is correct.       Log On


   

Question 545731: The length of a rectangle is twice the width. The area is 450yd^2. Find the length and width.
I tried 900 and 225, but I am not sure that is correct.
Answer by saifoo.khan(162) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,

L=2W
A=LW
REPLACE L WITH 2W & SOLCE FOIR W.
450=2W*W

2W^2=450
W^2=250/2
W^2=225
W=SQRT225
W=15 ANS.

Saifoo.khan
einstein.saifoo@gmail.com