1.determine whether the ratios are proportional

2/4 and 20/36

yes or no

2.determine whether the ratios are proportional

3/18 and 2/9

yes or no

3.which of the follow is not equivalent to the ratio:

6/10

3/5
72/120
18/30
36/40

4.which of the follow is not equivalent to the ratio:

7/3

21/6
28/12
35/15
49/21

5. which of the follow is not equivalent to the ratio:

50/75

10/15
2/3
5/7
6/9