Respuesta :

perimeter= 2(L+W)
2(L+W)=28
2(2W-1+W)=28
2(3W-1)=28
6W-2=28
6w=30
W=5

in short the answer is 5

perimeter= 2(L+W)

2(L+W)=28

2(2W-1+W)=28

2(3W-1)=28

6W-2=28

6w=30

W=5

in short the answer is 5