In a survey conducted on campus, it was found that students like watching premier league teams,man utd , Chelsea and arsenal.it was also found that every students who is a fan of arsenal is also a fan of man udt or Chelsea or both and 42 were fans of man utd ,45 were fans of Chelsea,7 were fans of both man utd and Chelsea,11 were fans of both man utd and arsenal,28 were fans of both Chelsea and arsenal, and twice as many students were fans of only man utd as those who were fans of only Chelsea.find the number of students in the survey who were fans of;1) all three football club. 2) arsenal.3) only man utd. represent the information in Venn diagram​