document.write( "Question 823095: I want to find what I need to get on an exam to pass my class. a 65% is passing, and in quarter 1 my grade was a 50%, in quarter 2 it was 72%, and my semester average is 61. I just need a 65%, and my schools grading system is 43% Quarter 1, 43% Quarter 2, and 14% for my final exam. I just need to get my semester grade up 4%. what do I need to get on my exam to get that? \n" ); document.write( "
Algebra.Com's Answer #495256 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! There are two big problems. \n" ); document.write( "You really screwed up the first quarter which counts a lot and the final doesn't count much. So it won't help raise your average much. \n" ); document.write( ".43*50+.43*72+.14*x=65 \n" ); document.write( "To get a 65 average you need 89.5714 on the final \n" ); document.write( ".14x=4 \n" ); document.write( "x=4/.14 \n" ); document.write( "x=28.57 \n" ); document.write( "To increase by 4 points on the final, you have to improve by 28.57 on the final. \n" ); document.write( " \n" ); document.write( " |