document.write( "Question 816201: If i have an average of 78% and I need an average of 80% how many marks out of 60 do i need to get in my exam? The exam is worth 25% \n" ); document.write( "

Algebra.Com's Answer #491407 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "have an average of 78% and I need an average of 80%,exam(60 marks) is worth 25%
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document.write( "Let x represent % score of final
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document.write( " .75*78 + .25x = 80
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document.write( "      x = 
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document.write( "       x = 86% on final exam  and  52 marks correct \n" );
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