SOLUTION: A rectangle with a perimeter of 60 meters has a length and width in a ratio of 7:3. What are the length and width?

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Question 1084902: A rectangle with a perimeter of 60 meters has a length and width in a ratio of 7:3. What are the length and width?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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L%2Fw=7%2F3
L=%287w%29%2F3
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2%2A%287w%29%2F3%2B2%2Aw=60---------using perimeter formula
7w%2F3%2Bw=30
7w%2B3w=90
10w=90
highlight%28w=9%29
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L=7%2A9%2F3
highlight%28L=21%29