In a Survey of 300 Individual Investors Regarding Subscriptions to the New

Short Answer

In a survey of 300 individual investors regarding subscriptions to the New York Times (NYT), Wall Street Journal (WSJ), and USA Today (UST), the following data were obtained.
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123 subscribe to the NYT.
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149 subscribe to the WSJ.
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64 subscribe to the UST.
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36 subscribe to the NYT and WSJ.
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26 subscribe to the WSJ and UST.
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21 subscribe to the NYT and UST.
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34 do not subscribe to any of these newspapers.
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How many of the individual investors surveyed subscribe to all three newspapers?
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__________
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How many subscribe to only one of these newspapers?
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__________