The business center publishes magazines for children, adults and senior citizens. The ratio of the number of magazines for children to the number of magazines for adults is 4:9, and the ratio of the number of magazines for adults to the number of magazines for senior citizens is 3:2.

What is the ratio of the number of magazines for children to the number of magazines for adults to the number of magazines for senior citizens published by the center?

If 3000 magazines for seniors are published, how many of the other two kinds of magazines are published?

Children:

Adults: