document.write( "Question 592123: Lauren has grades of 98 and 86 on her first two
\n" ); document.write( "chemistry quizzes. What must she score on her
\n" ); document.write( "third quiz to have an average of at least 91 on the
\n" ); document.write( "three quizzes?
\n" ); document.write( "

Algebra.Com's Answer #375840 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+%28+98+%2B+86+%2B+x+%29+%2F+3+=+91+\"{
\n" ); document.write( "\"+184+%2B+x+=+3%2A91+\"
\n" ); document.write( "\"+x+=+273+-184+\"
\n" ); document.write( "\"+x+=+89+\"
\n" ); document.write( "She must score at least 89
\n" ); document.write( "
\n" );