document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=326509>Question 326509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an inequality or an equation and use it to solve the problem.\r<BR>\n" );
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document.write( "During the first four months of the year, Jack earned $710, $990, $670 and $730. If Jack must have an average salary of at least $720 in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for benefits? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #233763 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=233763\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "If he needs an average of 720 per month for 5 months, then the sum of the 5 months salaries must be 720 times 5 = 3600.  Add up the amounts he earned in the first 4 months and subtract that sum from 3600.  The difference will be the amount he needs to earn in the fifth month.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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