SOLUTION: 30 students had an average of X, while 20 students had an average of 80. What is the average of the entire group?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: 30 students had an average of X, while 20 students had an average of 80. What is the average of the entire group?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1034343: 30 students had an average of X, while 20 students had an average of 80. What is the average of the entire group?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
You have to find the total number of points and then divide that by 50 students...we get
%2830X+%2B+20%2A80%29%2F50+=+%2830X+%2B+1600%29%2F50