Question 635527: i have a perimeter of 18 units. i am a rectangle. my length is 1 unit greater than my width. what are my dimensions?
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
Whoa dude! A talking rectangle! I'll bet you have four righteous right angles too, dude! I told some of my friends about it and they were like, "Whoooa" and I was like "Whoa"
Anyway,
If a rectangle with perimeter  has a length  that is  units longer (or shorter if  ) than  times the width,  ,
Then knowing that the Perimeter is given by:
 ,
make the substitution:
\ +\ 2w)
Then solve for
w\ =\ \frac{P\ -\ 2b}{2})
For your problem:  ,  , and  . Do the arithmetic.
John
My calculator said it, I believe it, that settles it
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