w= width
l= length= 4w
Area= lw
16 square yards= lw
substitute l=4w for l
16= (4w)(w)
16= 4w^2
divide both sides by 4
4= w^2
take the square root of 4
2 yards= w
LENGTH
l=4w
l=4(2)
l=8 yards
CHECK:
16= (8)(2)
16= 16
ANSWER: The length is 8 yards and the width is 2 yards.
Hope this helps! :)