A survey of 500 television watchers produced the following information: 285 watch football games, 195 watch hockey games, 115 watch basketball games, 45 watch football and basketball games, 70 watch football and hockey games, 50 watch hockey and basketball games, and 50 do not watch any of the three kinds of games. a. How many people in the survey watch all three kinds of games? b. How many people watch exactly one of the sports?
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a none of the people in survey watch three kind of games
b 315 people
b 315 people
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