zailaroldan
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

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NafisM123
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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