42 cities were researched to determine whether they had a professional sport team a symphony or children's museum of these cities 20 hide a professional sports team 22 had a symphony 21 had a children's museum 12 had a professional sports team and a symphony 9 had a professional sports team and a children's museum 11 had a symphonies and a children's museum and 5 had all 3 activities how many of the cities surveyed had only a professional sports team