document.write( "Question 834284: lisa has an average of 88 on 8 math tests. what grade must she score on the next test to bring her final average to 90? \n" ); document.write( "
Algebra.Com's Answer #503136 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let A through H be the grades on her first 8 tests,
\n" ); document.write( "\"%28A%2BB%2BC%2BD%2BE%2BF%2BG%2BH%29%2F8=88\"
\n" ); document.write( "\"A%2BB%2BC%2BD%2BE%2BF%2BG%2BH=704\"
\n" ); document.write( "Now adding the next test, S,
\n" ); document.write( "\"%28A%2BB%2BC%2BD%2BE%2BF%2BG%2BH%2BS%29%2F9=90\"
\n" ); document.write( "\"%28704%2BS%29%2F9=90\"
\n" ); document.write( "\"704%2BS=810\"
\n" ); document.write( "\"highlight%28S=106%29\"
\n" ); document.write( "I hope they give 6 extra credit points.
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