The average age of 33 fifth-graders is 11 . The average age of 55 of their parents is 33 . What is the average age of all of these parents and fifth-graders?
Answer Choices
A. 22
B. 23.25
C. 24.75
D. 26.25
E. 28
The average age of 33 fifth-graders is 11 . The average age of 55 of their parents is 33 . What is the average age of all of these parents and fifth-graders?
Answer Choices
A. 22
B. 23.25
C. 24.75
D. 26.25
E. 28