document.write( "Question 517970: a student scored 71, 83, and 96 on three algebra tests. what must he score on the fourth test in order to have an average of at least 85? \n" ); document.write( "
Algebra.Com's Answer #345001 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! (71+83+96+x)/4=85\r \n" ); document.write( "\n" ); document.write( "250+x=85*4 \n" ); document.write( "250+x=340 \n" ); document.write( "x=340-250 \n" ); document.write( "x=90 \n" ); document.write( " |