document.write( "Question 762898: Suppose your average, after taking 4 quizzes, is 72 (out of 100). What must your average be on the next 5 quizzes to increase your average to 77 out of 100? \n" ); document.write( "
Algebra.Com's Answer #464313 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! This is a weighted average:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so that x=81\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |