I. Write P if the ratios are proportion and N if not proportion.
1.4: 5 and 28: 35
2. 18:45 and 4:12
3. 20:48 and 15:36
4. 3:21 and 6:40
5. 9:12 and 27:32
6. 4: 26 and 8:52
7.5:32 and 10:64
8. 6:43 and 7:52
9. 7:45 and 14:90
10.9:53 and 18:106
pls help me I need it now​