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

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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) About Me  (Show Source):
You can put this solution on YOUR website!
How length L and width w are related as described:
L=2w

Using L and w in perimeter 48:
2w%2B2L=48
That can be simplified...
w%2BL=24
And L can be substituted as found from description:
w%2B2w=24
3w=24
w=24%2F3
highlight%28w=8%29 and highlight%28L=16%29.