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02-06-2017
Mathematics

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the perimeter of a rectangular concrete patio is 100 meters. it is 30 meters long. how wide is it?

Respuesta :

02-06-2017

perimeter is 2l+2w
100 =2(30) + 2w
100 =60 + 2w
-60 -60
40 = 2w

w=20 meters.

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