What is the sum of the length and width

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Tutor: ludragon99 Time limit: 1 Hour

A rectangle has an area of 8 and a perimeter of 18. What is the sum of the length and width? Please give a good explanation.
Feb 28th, 2014

Proposal: Hi, my explanation will be detailed and easy to follow.

Feb 28th, 2014

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Feb 28th, 2014
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Feb 28th, 2014
May 27th, 2017
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