Mike wants to fence in part of his backyard. He wants the length of the fenced-in area to be at least 20 feet long, l≥ 20. He has 200 feet of fencing. The inequality that models th possible perimeter of the yard is 2l+2w≤ 200.
Which are possible dimensions for Mike's backyard?
A. w=50 t l=10 ft
B. w=10 ft; l=50 ft
C. w=20 ft; l=60 ft
D. w=90 ft; l=30 ft
E. w=50 ft; l=40 ft
