SOLUTION: Out of 44 boys in class 9 are of the age of 10, 15 at the age of 9, and the rest are at the age of 8. Find their average age?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Out of 44 boys in class 9 are of the age of 10, 15 at the age of 9, and the rest are at the age of 8. Find their average age?      Log On


   

Question 868891: Out of 44 boys in class 9 are of the age of 10, 15 at the age of 9, and the rest are at the age of 8. Find their average age?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(9*10+15*9+[44-9-15]*8)/44
(90+135+20*8)/44
(225+160)/44
385/44=8.75 AVERAGE AGE.