document.write( "Question 803259: if a student has an average of 82% average before the final exam. and the final exam is worth 15% of the course grade, what is the minimum score a student must have on the final to earn a 75% for the course?\r
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document.write( "100-75=25
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document.write( "25 X .15 = 3.75-75= 71.25 \n" );
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Algebra.Com's Answer #484217 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! average=85% of 82\r \n" ); document.write( "\n" ); document.write( ".85*82=69.7 \n" ); document.write( "The present average is worth 69.7 for the course grade \n" ); document.write( "he needs 75.00-69.7=5.3 more\r \n" ); document.write( "\n" ); document.write( ".15x=5.3 \n" ); document.write( "x=35.3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |