Answer:
PROPORTION
==============================
\tt \large 11. \: \: 4 \: : \: 5 = \boxed{ \tt \red{8}} \: : \: 1011.4:5=
8
:10
\tt \large 12. \: \: \boxed{ \tt \red{2}} \: : \: 20 = 4 \: : \: 4012.
2
:20=4:40
\tt \large 13. \: \: 50 \: : \: 14 = \boxed{ \tt \red{250}} \: : \: 7013.50:14=
250
:70
\begin{gathered}\tt \large 14. \: \: \frac{ \: 8 \: }{1} = \frac{ \: \boxed{ \tt \red{200}} \: }{25} \\ \end{gathered}
14.
1
8
=
25
200
\begin{gathered}\tt \large 15. \: \: \frac{25}{75} = \frac{ \: \boxed{ \tt \red{15}} \: }{45} \\ \end{gathered}
15.
75
25
=
45
15
==============================
#CarryOnLearning
(ノ^_^)ノ
