pls help
instruction simplify it
There were 160 children, 120 adult and 6 senior citizens who watch the dance recital.

1. what is the ratio of adult to children?
2. what is the ratio of senior citizens to total number of people?
3. which has the ratio of 4 : 3 among those who watch the recital?
4.what is the ratio of children to adults to senior citizens in simplest form?