document.write( "Question 1032779: In Larry's school, a student must have an average of at least 80% to get a \"B\" in a course. Larry has scores of 76%, 83%, and 79% on his Algebra 1 tests. What minimum score must he have on his fourth test to guarantee a \"B\" in the course? \n" ); document.write( "
Algebra.Com's Answer #647430 by jorel555(1290) ![]() You can put this solution on YOUR website! In order to average 80% on his tests, he must get: \n" ); document.write( "76+83+79+x/4=80 \n" ); document.write( "76+83+79+x=320 \n" ); document.write( "x=320-76-83-79 \n" ); document.write( "x=82\r \n" ); document.write( "\n" ); document.write( "Larry must get an 82 or better on his last test in order to average at least a B!!!!! \n" ); document.write( " |