keisha812 keisha812
  • 04-01-2019
  • Mathematics
contestada

A rectangle has a width one less than the length. If the perimeter is 30 units find the width and length please help show step by step

Respuesta :

Аноним Аноним
  • 04-01-2019

Answer:


Step-by-step explanation:

Let x = width, then 3x - 1 = length

Perimeter = 2(length) + 2(width)

So, 2(3x - 1) + 2x = 30

      6x - 2 + 2x = 30

                    8x = 32  

width = x = 4 inches

length = 3x -1 = 11 inches


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