math

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if thr mechanic says that it will take seven days to repair your car, then it will actually take ten days. The mechanic says, "I figure it'll take a week to fix it." Then you can expect it to be ready ten days from now. I don't understand how this would be deductive reasoning.

  • math -

    a week is 7 days.
    Now look at the first sentence.

    Kind of a trivial example, but you have to deduce that

    He says a week.
    I know he takes 10 days when he says 7.
    A week is 7 days, so it will take 10.

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