Respuesta :

Answer:

length=l=5ft+width(w)

l=5+w......1

perimeter=61 ft

2(l+w)=61

5+w+w=61/2

2w=61/2 -5

w=(61-10)/4=51/10=5.1ftanswer

substituting value of w in equation 1

l=5+5.1=10.1ft answer