SOLUTION: The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain!

Question 851120: The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain!
Answer by ramkikk66(644) (Show Source): You can put this solution on YOUR website!

The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain!

Solution:
Let the width be x cm
Then the length = 2*x cm
Perimeter = 2*(length + width) =  =  = 

Solving, 

So width =  cm and length =  cm

Check: Perimeter = . Correct!

:)

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