SOLUTION: The length of a rectangle is twice the width of the rectangle, and it's perimeter is 48cm. Calculate the dimensions of the rectangle, and it's area

Question 877037: The length of a rectangle is twice the width of the rectangle, and it's perimeter is 48cm. Calculate the dimensions of the rectangle, and it's area
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
How length L and width w are related as described:

Using L and w in perimeter 48:

That can be simplified...

And L can be substituted as found from description:

and .
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