The following table represents a grouped frequency distribution of the number of hours spent on the computer per week for51 students. What percentage of students used the computer between7 and10.4 hours per week? Round your answer to one decimal place, if necessary.

HoursNumber of Students0.0-3.4

0.0

-

3.4

3

3

3.5-6.9

3.5

-

6.9

16

16

7.0-10.4

7.0

-

10.4

15

15

10.5-13.9

10.5

-

13.9

12

12

14.0-17.4

14.0

-

17.4

5