Kara and Susan have been volunteering over the last six months. They recorded their total number of volunteer hours at the end of
each month for each of the six months. The graph below shows their results,
VOLUNTEER HOURS
SO
40
Number of Hours
Kara
O Susan
How many hours had Kara and Susan volunteered altogether by the end of the fourth month?
Month
5
OA. 76
B. 57
C. 30
OD. 40