document.write( "Question 536936: Your quiz grades are 78,72,87 and 90. What score on the fifth quiz will make your average quiz grade at least 82? \n" ); document.write( "
Algebra.Com's Answer #352650 by rfer(16322)\"\" \"About 
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(78+72+87+90+x)/5=82
\n" ); document.write( "327+x=82*5
\n" ); document.write( "327+x=410
\n" ); document.write( "x=410-327
\n" ); document.write( "x=83
\n" ); document.write( "
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