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21-09-2017
Mathematics

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The perimeter of a rectangle is 72 meters. The width is 4 meters less than its length. What is the equation to find the length and width?

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dpokharnaotzjgn dpokharnaotzjgn

24-09-2017

To solve this, make the equation:

2l+2(l-4)=72
4l=80
The length is 20 meters.

Then, plug 20 in the other equation:
w=l-4
The width is 16 meters.

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