Ratio problem

L.I. we are learning simple ratio by repeated copying,and also we learned how to make up our own problem.

Rolland is packing bags of marbles. Each bag has 4 blue marbles
and 6 red marbles.

1) He needs to fill 9 bags. How many blue and red marbles would he need?

2) If he has 12 blue marbles how many bags will he to fill?

3) If he had to fill in 22 bags how many blue and red marbles would he need?

Can you solve my problem?