SOLUTION: There are 10 females and 10 malesin 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 10 malesin 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 821315: There are 10 females and 10 malesin 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 stanbon(75887) (Show Source):
You can put this solution on YOUR website! There are 10 females and 10 malesin 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?
----------------
Ans: (10*95 + 10*85)/20 = (10)(95+85)/20 = (1/2)(180) = 90
========================
Cheers,
Stan H.
========================