Passage

Directions: Study the given information carefully to answer the question that follows. Number of students living in different sectors Ratio of number of students living in their own homes to number of students living on rent Month/Area M N O P January 17 : 22 5 : 8 7 : 3 7 : 2 February 7 : 9 7 : 15 4 : 3 5 : 3 March 11 : 24 9 : 5 4 : 7 2 : 3 April 13 : 16 15 : 29 3 : 7 5 : 7

If a pie chart is formed of students living in their own homes in sectors M and O from January to April, then what is the central angle corresponding to students living in their own homes in April?