1) 5:10 = 1:2
2) 25:30 = 20:24
3) 5:4 = 10:8
4) 1:3 = 3:9
5) 7:1 = 63: 9
6) 45:18 = 5:2
7) I can't see it (it was cut off in the picture)
8) 2:14 = 1:7
Hope this helped
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