At the movie theatre, child admission is $6.30 and adult admission is $9.40 . on thursday, 133 tickets were sold for a total sales of $1005.30 . how many child tickets were sold that day?
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?