This number line is divided into how many pieces and what is the location of a ( written as a fraction ) ?

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Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

If point cis between points a and b, then ac + — = ab