SOLUTION: There are 10 females and 20 males in the first aid course. If the females achieved an average score of 85 and the males achieved an average score of 95,What was the class average?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: There are 10 females and 20 males in the first aid course. If the females achieved an average score of 85 and the males achieved an average score of 95,What was the class average?      Log On


   



Question 821321: There are 10 females and 20 males in the first aid course. If the females achieved an average score of 85 and the males achieved an average score of 95,What was the class average?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The class average is :
( total of the scores ) / ( total number in the class )
+%28+85%2A10+%2B+95%2A20+%29+%2F+%28+10+%2B+20+%29+
+%28+850+%2B+1900+%29+%2F+30+
+2750+%2F+30+=+91.67+
The class average is 91.67