SOLUTION: The average of the first four students' results were 80%. The average of the next six students' results was 90%. What was the average for all ten students?
Could you please expl
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Question 922983: The average of the first four students' results were 80%. The average of the next six students' results was 90%. What was the average for all ten students?
Could you please explain how to do this problem??? Thanks!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
( total of scores for 1st 4 ) / 4 = .8
total of scores for 1st 4 = 3.2
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( total of scores for next 6 ) / 6 = .9
total of scores for next 6 = 5.4
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Average for all 10 = ( 3.2 + 5.4 ) / 10
Average for all 10 = 8.6/10
Average for all 10 = .86
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