A survey determined that 5/17 of the seventh grade students at Mills Middle School preferred round chocolate candies to hard candy. When Jennifer duplicated the survey, 4/17 of the students changed their preference from chocolate candy to hard candy.
What fraction of the students in the second survey preferred round chocolate candy?
A. 9/17
B. 20/289
C. 9/34
D. 1/17
1 answer
C. 9/34
1 answer