document.write( "Question 341640: Hello. can you please help me solve this problem??\r
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document.write( "The average of five numbers is 9. The average of 7 other numbers is 8. What is the average of all 12 numbers?\r
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #244630 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The average of five numbers is 9. The average of 7 other numbers is 8. What is the average of all 12 numbers? \n" ); document.write( "------ \n" ); document.write( "5 x avg of 9 = 45 total \n" ); document.write( "7 x avg of 8 = 56 total \n" ); document.write( "------------ \n" ); document.write( "avg of all 12 = (45 + 56)/12 = 101/12 \n" ); document.write( "= 8.416666... \n" ); document.write( " |