document.write( "Question 1065625: Annie scored a 95,87,85,93, and a 94 on his first 5 math tests. if he wants a 90 average what must he score on his final math test \n" ); document.write( "

Algebra.Com's Answer #680787 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = score needed on the final math test
\n" ); document.write( "in order to average 90
\n" ); document.write( "-------------------------------
\n" ); document.write( " $\"+%28+95+%2B+87+%2B+85+%2B+93+%2B+94+%2B+x+%29+%2F+6+=+90+\"$
\n" ); document.write( " $\"+%28+454+%2B+x+%29+%2F+6+=+90+\"$
\n" ); document.write( " $\"+454+%2B+x+=+6%2A90+\"$
\n" ); document.write( " $\"+x+=+540+-+454+\"$
\n" ); document.write( " $\"+x+=+86+\"$
\n" ); document.write( "Annie needs 86 on the last test\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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