Types of movies preferred by middlebury students
type of movie
7th grade
8th grade
action
75
90
comedy
105
150
total
180
240
a. the ratio of seventh-graders who prefer comedies to
eighth-graders who prefer comedies is to
b. the fraction of total students (both seventh- and eighth-graders)
who prefer action movies is
c. the fraction of seventh-graders who prefer action movies is 3.
d. the percent of total students who prefer comedies is .
e. the percent of eighth-graders who prefer action movies is .
f. grade has the greater percent of students who prefer
action movies.