how do i solve a,b, and c?

In a recent phone survey, people were asked to state their favorite type of television show. The pie chart below summarizes the responses of those surveyed. (a) Which category was chosen by approximately one-third of those surveyed? Select One Drama (b) Approximately what percentage of those surveyed chose Other or Drama? Write your answer as a multiple of 10% - that is, 10%, 20%, Comedy Other Tex50%, ... Sports 1% Documentary (c) If 5 % of those surveyed chose Other, approximately what percentage chose Documentary? News O 2% O 7.5% O 15% 300% X