document.write( "Question 864493: Anne earned scores of 15,12,14, and 9 on her first four Spanish quizzes. If Anne wants her mean test score to be 13 after five quizzes,what quiz score must she earn on her fifth quiz \n" ); document.write( "
Algebra.Com's Answer #521023 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! (15+12+14+9+x)/5=13 \n" ); document.write( "50+x=13*5 \n" ); document.write( "50+x=65 \n" ); document.write( "x=65-50 \n" ); document.write( "x=15 \n" ); document.write( " |