document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68528>Question 68528</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kevin lives on the grounds of Whatsamatta University, for which he performs grounds keeping. Each day he works, the University owes him $80; but for each day that he doesn't work, Kevin owes Whatsamatta University $30 rent. All debts are paid at the end of the month. Suppose that at the end of January 2007, the university owes Kevin a total of $1,160. How many days did Kevin work in the month of January?\r<BR>\n" );
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document.write( "I can't get any equation that works. Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48741 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=48741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Kevin lives on the grounds of Whatsamatta University, for which he performs grounds keeping. Each day he works, the University owes him $80; but for each day that he doesn't work, Kevin owes Whatsamatta University $30 rent. All debts are paid at the end of the month. Suppose that at the end of January 2007, the university owes Kevin a total of $1,160. How many days did Kevin work in the month of January?<BR>\n" );
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document.write( "Let number of days he works be \"x\"; Value to him is 80x dollars<BR>\n" );
document.write( "Number of days he does not work is \"31-x\" : Loss to him is 30(31-x)=930-30x<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "earned - lost =1160 dollars<BR>\n" );
document.write( "80x - (930-30x) = 1160<BR>\n" );
document.write( "110x - 930= 1160<BR>\n" );
document.write( "110x = 2090<BR>\n" );
document.write( "x=19 days ( number of days he worked)<BR>\n" );
document.write( "31-x=31-19= 12 (number of days he did not work)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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