document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713501>Question 713501</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose you are starting an office cleaning service. You have spent $315 on equipment. To clean an office, you must use $4 worth of supplies. You charge $25 per office. How many offices must you clean to break even? (Solve using system of linear equations) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438468 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=438468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Number of offices is r.\r<BR>\n" );
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document.write( "Spend: 4*r+315\r<BR>\n" );
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document.write( "Revenue:  25*r\r<BR>\n" );
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document.write( "how many offices, r, will make \"spend\" and \"revenue\" equal?<BR>\n" );
document.write( "4r+315=25r </SPAN>\n" );
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