document.write( "Question 494485: After taking 7 quizzes, your average is 72 of 100. What must your average be on the next five quizzes to increase your average to 77? \n" ); document.write( "
Algebra.Com's Answer #335672 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! After taking 7 quizzes, your average is 72 of 100. What must your average be on the next five quizzes to increase your average to 77? \n" ); document.write( "--------------- \n" ); document.write( "7*72 = 504 \n" ); document.write( "12*77 = 924 \n" ); document.write( "You need 420 points on the next 5. \n" ); document.write( "420/5 = 84 average for the 5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |