Answer:

22. 1. 2:5 = N:25 2. 2. N:7 = 9:21 3. 5:6 = 15:N 4. 80:40 = N:82 5. 35:25 = 7:N 6. 100:25 = N:1 7. 4:7 = 20:N 8. N:8 = 9:24 9. 8:N = 16:20 10. 32:16 = N:2

Answer:

1. 2:5 = 10:25

2. 3:7 = 9:21

3. 5:6 = 15:18

4. 80:40 = 164:82

5. 35:25 = 7:5

6. 100:25 = 4:1

7. 4:7 = 20:35

8. 3:8 = 9:24

9. 8:10 = 16:20

10. 32:16 = 3:2