document.write( "Question 1005119: Sonya has mean average of 77.6 on the first five of the six test.to get an overall test average of 83 what must Sonya score on the sixth test ?
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Algebra.Com's Answer #621432 by fractalier(6550) You can put this solution on YOUR website! If her mean was 77.6 on the first five tests, that says she scored \n" ); document.write( "5(77.6) = 388 points so far. \n" ); document.write( "To average 83 on all six tests, she would need \n" ); document.write( "6(83) = 498 points total. \n" ); document.write( "Thus she would need \n" ); document.write( "498-388 = 110 points on the sixth test. (Hope there is extra credit!) \n" ); document.write( " |