document.write( "Question 144567: the total of 50 juniors and seniors were given a math test. the 35 juniors averaged a score of 80, while the 15 seniors averaged a score of 70. What was the average score for all 50 students? \n" ); document.write( "
Algebra.Com's Answer #105318 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! (35*80+15*70)/50 \n" ); document.write( "(2800+1050)/50 \n" ); document.write( "3850/50=77 is the average for both grades. \n" ); document.write( " |