arbyrick2 arbyrick2

17-10-2016
Mathematics

contestada

A rectangular room is three times as long as it is wide , and it's perimeter is 72 meters . Find the length of the room.

Respuesta :

17-10-2016

Let the width = x

length = 3x

Now, 2(3x+x) = 72

2(4x)=72

8x=72

x = 9

So, length would be 3x=3(9) = 27 meters

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