We have the following:
[tex]\begin{gathered} \frac{25}{12}=2.08\approx2 \\ \frac{12}{25}=0.48\approx\frac{1}{2} \\ 25-12=13 \end{gathered}[/tex]There are a little more than twice as many birds as ducks
There are a litthle less half as many ducks as birds
There are 13 more birds than ducks