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B. Indentify each pair of ratios. Write P if they form a Proportion and NP if is not
1. 4:5=8:10
2. 12:15=8:9
3. 7/9=21/27
4. 24:30=36:40
5. 9/11=11/9
6. 2/9=4/18
7. 8:13=9:10
8. 5/7=15/21
9. 12:14=8:9
10. 27:12=9:4​