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

  1. which of the follow is NOT equivalent to the ratio:

50/75


10/15

2/3

5/7

6/9