document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990785>Question 990785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sam has scored a 70%, 85%, 94%, and an unknown score on his fourth test. Find an expression that explains what Sam has to get on his 5th test to have a test average of 90%.<BR>\n" );
document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610832 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The sum of 5 grades to average 90 is (5)(90)=450<BR>\n" );
document.write( "Let x=4th score and y=5th score<BR>\n" );
document.write( "450-70-85-94-x-y=0<BR>\n" );
document.write( "201-x=y<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Sam must get a score of (201-his fourth score) <BR>\n" );
document.write( "on his fifth test to average 90. <BR>\n" );
document.write( "(He must average more than 100% on tests 4 and 5).<BR>\n" );
document.write( ".<BR>\n" );
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