In a survey of 60 people, it was found out that: 25 read Newsweek 26 read Time 26 read Reader's Digest 9 read Newsweek and Reader's Digest 11 read Newsweek and Time 8 read Time and Reader's Digest 3 read all the three magazines How many of them do not read any of the mentioned magazines at all?

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A: An appliance store sells three brands of TV sets, brands A,B, and C. The profit per set is $30 for…

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