Respuesta :

840060

Answer:

9 : 3

Step-by-step explanation:

To get from 21 to 3 we divided 21 by 7, therefore we have to do the same to the other side and so we get...

63 / 7 = 9

Therefore 63 : 21 = 9 : 3

arielerin
9! ratios can be found by dividing. 21 divided by 3 is 7. therefore, divide 63 by 7 and get 9. 63:21=9:3