document.write( "Question 832187: First quarter I received a 75.9% and second quarter I received a 78.2%. At the end of the semester I need to average a C(70% and up) my semester final is worth 20% of my total grade. Could you tell me what grade I need to get on the final to average a C at the end of the semester? \n" ); document.write( "
Algebra.Com's Answer #501885 by JulietG(1812)\"\" \"About 
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\n" ); document.write( "You give no other information for the third quarter. Are we to assume that the final is the only grade? And, are the first two quarters then worth 40% each?
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\n" ); document.write( "If so, then the question is:
\n" ); document.write( "(.40)75.9 + (.40)78.2 + .20x = 70
\n" ); document.write( "30.36 + 31.28 + .20x = 70
\n" ); document.write( "61.64 + .2x = 70
\n" ); document.write( ".2x = 8.36
\n" ); document.write( "Divide by .2
\n" ); document.write( "x = 41.8
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\n" ); document.write( "I suspect you left out important information.\r
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