A teacher was giving a lesson in fractions. "Johnny, suppose there were seven in your family-five children and mother and father—a total of seven. Suppose there was pie for dessert. What fraction of the pie would you get?" Johnny answered, "One-sixth." "What do you mean?" asked the teacher. "Don't you know about fractions?" Johnny replied, "I know about fractions and I know about my mother, too. M...
