document.write( "Question 1079415: The mean of 3 test scores is 74. What mush the score on the 4th test be to raise the mean to a 78? \n" ); document.write( "
Algebra.Com's Answer #693708 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The mean of 3 test scores is 74. What mush the score on the 4th test be to raise the mean to a 78? \n" ); document.write( "---------- \n" ); document.write( "Hint: \n" ); document.write( "3*74 = 222 \n" ); document.write( "4*78 = 312 \n" ); document.write( " \n" ); document.write( " |