document.write( "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?\r
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document.write( "Could you please explain how to do this problem??? Thanks! \n" );
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Algebra.Com's Answer #559808 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! ( total of scores for 1st 4 ) / 4 = .8 \n" ); document.write( "total of scores for 1st 4 = 3.2 \n" ); document.write( "------------ \n" ); document.write( "( total of scores for next 6 ) / 6 = .9 \n" ); document.write( "total of scores for next 6 = 5.4 \n" ); document.write( "------------ \n" ); document.write( "Average for all 10 = ( 3.2 + 5.4 ) / 10 \n" ); document.write( "Average for all 10 = 8.6/10 \n" ); document.write( "Average for all 10 = .86 \n" ); document.write( " \n" ); document.write( " |