A survey of young adults was taken to determine which of the various media they use regularly to obtain the news. The following information was obtained: • Of the 36 people who read the newspaper, 13 use only the newspaper to learn the news. • Of the 48 people who listen to the radio, 11 use only the radio to learn news • 23 people use all three to learn the news How many people use both the radio and television regularly to learn the news?
