document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=986041>Question 986041</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Joe gets 97 on his next math quiz, his average will be 90.  If he gets 73, his average will be 87.  How many quizzes has Joe already taken? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #606783 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=606783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The difference between the two test scores is 24.  The difference between the two averages is 3.  That would be 8 tests.  Why?<BR>\n" );
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document.write( "If the total increases by 24, it is still divided by the number of tests to get the average.  If the average is increased by 3, there has to be 24/3.<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "8 tests*90=720<BR>\n" );
document.write( "At the moment, he has 623.<BR>\n" );
document.write( "If that is the case, 623+73=696<BR>\n" );
document.write( "696/8=87\r<BR>\n" );
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