Category Archives: Education

Questions for Teachers’ Examination 1889

Posted on July 14, 2013 by nancyleek

2. A druggist buys quinine at $5 a pound avoirdupois and retails it at 10 cents a dram apothecaries’ weight. What per cent profit does he make? Stumped? Then you probably wouldn’t qualify as a teacher in 1889. This is … Continue reading →

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