zmykelll
zmykelll zmykelll
  • 18-09-2018
  • Mathematics
contestada

The length of s rectangle is 5 inch longer than the width. The perimeter of the rectangle is 40 inches. What is the width, in inches?

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dannielle
dannielle dannielle
  • 24-09-2018

L=W+5

P=2*(L+W)=40

   L+W=40:2

    L+W=20

   W+5+W=20

    2W+5=20

     2W=15

     W=15:2

    W=7,5

 

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