Respuesta :

Answer:

9:10:2

Step-by-step explanation:

divide them all by 5 as that is the highest common factor between them

Answer:

The answer is 9 : 20 : 4

Step-by-step explanation:

You can simplify both numbers by 5 :

45 : 100 : 20

÷5 9 : 20 : 4