SOLUTION: i have to write an expression in simplest form for the perimeter of a rectangle. the length is 2w and the width is w. i ended up with an answer of 2w(squared)+ 4, but on this websi

Algebra ->  Expressions-with-variables -> SOLUTION: i have to write an expression in simplest form for the perimeter of a rectangle. the length is 2w and the width is w. i ended up with an answer of 2w(squared)+ 4, but on this websi      Log On


   

Question 643823: i have to write an expression in simplest form for the perimeter of a rectangle. the length is 2w and the width is w. i ended up with an answer of 2w(squared)+ 4, but on this website it says that i'm wrong. help?
Found 2 solutions by Earlsdon, stanbon:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the formula for the perimeter of a rectangle:
P = 2(L+W) Now substitute L = 2W.
p = 2(2W+W) Simplify.
p = 2(3W) Finally:
p = 6W

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
i have to write an expression in simplest form for the perimeter of a rectangle. the length is 2w and the width is w. i ended up with an answer of 2w(squared)+ 4, but on this website it says that i'm wrong.
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Perimeter = 2(length + width)
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P = 2(2w + w)
P = 2(3w)
Perimeter = 6w
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Cheers,
Stan H.
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