document.write( "Question 557654: a student recieved test scores of 67, 78, 80, 85, 88, 90 and 100. What does sge need on the 8th test to have a final average of 85? \n" ); document.write( "

Algebra.Com's Answer #362690 by josmiceli(19441) $\"\"$ $\"About$

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$\"+%28+67+%2B+78+%2B+80+%2B+85+%2B+88+%2B+90+%2B+100+%2B+x+%29+%2F+8+=+85+\"$
\n" ); document.write( " $\"+%28+588+%2B+x+%29+%2F+8+=+85+\"$
\n" ); document.write( " $\"+588+%2B+x+=+680+\"$
\n" ); document.write( " $\"+x+=+680+-+588+\"$
\n" ); document.write( " $\"+x+=+92+\"$
\n" ); document.write( "The 8th test should be 92 \n" ); document.write( "

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