document.write( "Question 672469: The mean of Terry's first 5 test marks is 45. What mark must he score on the sixth test to raise his mean over the six tests to 50? \n" ); document.write( "
Algebra.Com's Answer #418162 by ReadingBoosters(3246) ![]() You can put this solution on YOUR website! x / 5 = 45 \n" ); document.write( "x = 45(5) = 225 points on first 5 tests \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "Multiply the inequality by 6 \n" ); document.write( "225 + x > 300 \n" ); document.write( "x > 300 - 225 \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "..................... \n" ); document.write( "Delighted to help. \n" ); document.write( "-Reading Boosters \n" ); document.write( "Website: www.MyHomeworkAnswers.com \n" ); document.write( "Wanting for others what we want for ourselves. \n" ); document.write( " \n" ); document.write( " |