Can someone please help me

Describe how fraction strips can you order fractions

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4