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"12. In a town of tagoo families it was\nreand that 40 \" famillen thy new.\nPaper \\( A \\), 2076 familles twy news\nPaper \\( ( 1 , \\text { and } 10 \\) st families buy news\n\\( 3 \\% \\) buy \\( n \\) and \\( C \\) and \\( 4 \\% \\) buy \\( A \\) and\nC If 296 families buy all three news\nwhich buy exactly one news paper is\nil 5200\n(3) 4700"

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