zailaroldan zailaroldan

14-11-2017
Mathematics

contestada

The length of a rectangle is nine inches less than twice the width. If the perimeter of the rectangle is 84 inches, find the dimensions of the rectangle

Respuesta :

NafisM123 NafisM123

15-11-2017

l=2w-9
p=84
2l+2w=84
l+w=42
l=31 w=11
31-9=22 22/2=11
11+31=42

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