flournoybranden365 flournoybranden365 23-02-2021 Mathematics contestada which one's are proportional, which one's are not? 1. 3/7 = 6/8 2. 2/5 = 10/24 3. 9/21 = 3/7 4. 10/12 = 2/8 5. 25/15 = 5/3 6. 12/4 =9/3 7. 11/12 = 8/13 8. 21/ 7 = 6/2