Sophie will have a greater daises to total flowers ratio than Eleanor. To make this easier to see, let's assume the boquets have 10 flowers each, and Eleanor uses 2 daisies and 8 tulips, while Sophie uses 5 daisies and 5 tulips. Then Eleanors ratio is 2:10=1:5, while Sophie's ratio is 5:10=1:2.
It's a segment that connects the midpoints of two points in a triangle. I guess that was explained in the answer....?
Sorry if that didn't help. :))
C. Cereal box is the item