Dey99
Dey99 Dey99
  • 18-03-2020
  • Mathematics
contestada

I need help with this one

I need help with this one class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 18-03-2020

Answer:

Step-by-step explanation:

Let w be the width

Length = w + 3

Perimeter = 40 m

2*(length + width) = 40

2*(w+3 + w) = 40

2* (2w + 3) =40

2w + 3 = 40/2

2w + 3 = 20

2w = 20-3

2w = 17

w = 17/2 = 8.5 m

w = 8.5 m

Length = w + 3 = 8.5 + 3 = 11.5m

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