Respuesta :

Step-by-step explanation:

first one is 6:9

second is 20:40

sorry I'm not sure about the others!

Answer:

six

40

72

12

Step-by-step explanation:

9/3=3 so then do 2x3= six

20/5=4 so then do 4x10= 40

24/1= 24 so then do 24x3= 72

sixteen/4= 4 so then do 3x4= 12

Hope this helps mark me brainiest and leave a thanks please