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Question: on a street with 80 houses three students with paper...

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On a street with 80 houses, three students with paper routes deliver 35 Toronto Stars 46 Globe and Mails and 26 Toronto Suns. A house may receive no papers, one paper or two papers. No house receives all three, and no house receives more than one copy of the same newspaper. What is the smallest number of houses that could have two papers delivered? In question number 86, what is the largest number of houses that could have two papers delivered?

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