Respuesta :
Answer:
4 blue marbles
Step-by-step explanation:
4:3
4=red marbles
3=blue marbles
total=12
12/3 to get the number of blue marbles
Answer:
4 blue marbles
Step-by-step explanation:
4:3
4=red marbles
3=blue marbles
total=12
12/3 to get the number of blue marbles