Respuesta :
Answer:
28:12
Step-by-step explanation:
49:9
this cannot be simplified
21:7
divide both numbers by 7
3:1
this is not 7:3
12:8
divide both numbers by 4
3:2
this is not 7:3
28:12
divide both numbers by 4
7:3
yes!
Answer:
28 : 12
Step-by-step explanation:
multiply 7 : 3 by 4 on each number