document.write( "Question 451024: The average score of the six tests was 82. The five scores were 91,87,78,86, and 72. What was the score of the sixth test? \n" ); document.write( "
Algebra.Com's Answer #310151 by rwm(914)\"\" \"About 
You can put this solution on YOUR website!
x=6*72-(91+87+78+86+72)
\n" ); document.write( " x=432-414
\n" ); document.write( "x=18
\n" ); document.write( "another way\r
\n" ); document.write( "\n" ); document.write( "91-72=+19
\n" ); document.write( "87-72=15
\n" ); document.write( "78-72=+6
\n" ); document.write( "86-72=+14
\n" ); document.write( "72-72=0
\n" ); document.write( "19+15+6+14=34+20=54
\n" ); document.write( "72-54=18\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );