document.write( "Question 459148: you have an 81% in the class what is the lowest grade you could earn on the final and still keep your 81% in the class? \n" ); document.write( "
Algebra.Com's Answer #314894 by rwm(914)\"\" \"About 
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Not enough info.
\n" ); document.write( "Depends on what value is put on the final and how much the class work is worth.
\n" ); document.write( "The final could be worth 50 % or 90%
\n" ); document.write( "You have an 81% in the class what is the lowest grade you could earn on the final and still keep your 81% in the class?
\n" ); document.write( "The writer says:\r
\n" ); document.write( "\n" ); document.write( "well the final is worth 15% of your grade hw is worth 30% quizes are worth 15% and tests 40%
\n" ); document.write( "Assuming that you mean that you have 81% average on hw, quizzes and tests.
\n" ); document.write( ".30*81+.15*81+.4*81+.15f=81
\n" ); document.write( "f=81
\n" ); document.write( "To keep 81 you will need at least 81 on the final.
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