A survey of 96 students on campus showed that 29 read the Campus Observer student newspaper that morning, 24 read the news via t
he Internet that morning, and 20 read the local city paper that morning. Eight read the Campus Observer and the Internet news that morning, while four read the Internet news and the local paper, seven read the Campus Observer and the local city paper, and one person read the Campus Observer, the Internet news, and the local paper. (a) How many read the Internet news or local paper but not both? (b) How many read the Internet news and the local paper but not the Campus Observer? (c) How many read the Internet news or the Campus Observer or both?
