Direction: Study the following data and answer the questions:

There are certain number of guests in a hotel. The male guests are 30 more than female guests in a hotel. There are 180 children guest in a hotel. The children guest who are available for breakfast are 20 more than the children guest who are unavailable for breakfast. The female guest available for breakfast are equal to female guest who are absent for breakfast and it is twice the children guest who are unavailable for breakfast. The difference between the male guest who are absent for breakfast and who are present for breakfast is 110.