document.write( "Question 587166: If i have a 91, 73, 82, and a 74 what score do i need to get an average of 82 \n" ); document.write( "

Algebra.Com's Answer #374012 by lwsshak3(11628) $\"\"$ $\"About$

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If i have a 91, 73, 82, and a 74 what score do i need to get an average of 82
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\n" ); document.write( "let x=score needed to get an average of 82
\n" ); document.write( "(91+73+82+74+x)/5=82
\n" ); document.write( "(320+x)/5=82\r
\n" ); document.write( "\n" ); document.write( "320+x=410
\n" ); document.write( "x=410-320=90
\n" ); document.write( "ans:
\n" ); document.write( "score needed=90 \n" ); document.write( "

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