huntermezo huntermezo
  • 15-01-2021
  • Mathematics
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The length of a rectangle is one more than twice its width. If its perimeter is 20 inches, what is its length and width?

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SiliconFinisher1
SiliconFinisher1 SiliconFinisher1
  • 15-01-2021

Answer:

Let length be L

Width be W

L=1+2W

Perimeter(p) of rectangle is

P=2L+2W

But L = 1+ 2W and p= 20

:. 20 =2(1+2W) +2W

20=2+4W+2W

18=6W

Divide both sides by 6

W =3

2W+1=L

6+1=L

L=7

Hence, length and width are 7in and 3in respectively

Step-by-step explanation:

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