which tables have a lower unit rate than the rate represented in the equation y equals 3/5 X

- X Y
3 4
6 8
9 12

- X Y
5 4
10 8
15 12

- X Y
31 18
62 36
93 54

- X Y
18 11
36 22
54 33

- X Y
12 7
24 14
36 21​