1/2 of 12 =
6
1/4 of 16 =
4
20/4 =
5
1/2 of 50 =
25
1/4 of 24 =
6
1/4 of 20 =
5
1/2 of 20 =
10
16/4 =
4
1/2 of 14 =
7
1/2 of 6 =
3
1/2 of 4 =
2
1/4 of 12 =
3
1/2 of 10 =
5
1/4 of 8 =
2
12/2 =
6
8/2 =
4