document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=318497>Question 318497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jack had an average score of 85 on his first eight quizzes, and an average score of 81 on his first nine quizzes. What score did he receive on his ninth quiz?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227941 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=227941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jack had an average score of 85 on his first eight quizzes, and an average score of 81 on his first nine quizzes. What score did he receive on his ninth quiz?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Points acquired on the 1st 8 quizzes = 8*85 = 680<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Let \"x\" be the score on the ninth quizz.<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "Solve for \"x\":<BR>\n" );
document.write( "(680+x)/9 = 81<BR>\n" );
document.write( "680+x = 729<BR>\n" );
document.write( "x = 49<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );