Respuesta :

Answer:

1st. 1/4

2nd. Not proportional

Step-by-step explanation:

Answer:

both are not proportional

Step-by-step explanation:

16 : 4 = 16/4 = 4

20 : 5 = 20/5 = 4

9 : 36 = 9/36 = 1/4

not the same so NOT proportional

4 : 12 = 4/12 = 1/3

5 : 20 = 5/20 = 1/4

9 : 45 = 9/45 = 1/5

not the same so NOT proportional