document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791999>Question 791999</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student works two part-time jobs. He earns $8 an hour for working at a college library and $15 an hour for construction work. To save time for study, he limits his work to 25 hours a week. If he enjoys the work at the library more, how many hours can he work at the library and still earn at least $300 a week?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479815 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=479815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of hours worked at library<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+-+t+ ALIGN=MIDDLE  ALT=\"+25+-+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of hours worked at construction<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8t+%2B+15%2A%28+25+-+t+%29+=+300+ ALIGN=MIDDLE  ALT=\"+8t+%2B+15%2A%28+25+-+t+%29+=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8t+%2B+375+-+15t+=+300+ ALIGN=MIDDLE  ALT=\"+8t+%2B+375+-+15t+=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7t+=+375+-+300+ ALIGN=MIDDLE  ALT=\"+7t+=+375+-+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7t+=+75+ ALIGN=MIDDLE  ALT=\"+7t+=+75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+10.714+ ALIGN=MIDDLE  ALT=\"+t+=+10.714+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Neglecting fractions of hours, he can work 10 hrs<BR>\n" );
document.write( "at library and still earn $300/wk<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8t+%2B+15%2A%28+25+-+t+%29+%3E=+300+ ALIGN=MIDDLE  ALT=\"+8t+%2B+15%2A%28+25+-+t+%29+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8%2A10+%2B+15%2A%28+25+-+10+%29+%3E=+300+ ALIGN=MIDDLE  ALT=\"+8%2A10+%2B+15%2A%28+25+-+10+%29+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80+%2B+15%2A15+%3E=+300+ ALIGN=MIDDLE  ALT=\"+80+%2B+15%2A15+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80+%2B+225+%3E=+300+ ALIGN=MIDDLE  ALT=\"+80+%2B+225+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+325+%3E=+300+ ALIGN=MIDDLE  ALT=\"+325+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Suppose he works 11 hrs at library<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8t+%2B+15%2A%28+25+-+t+%29+%3E=+300+ ALIGN=MIDDLE  ALT=\"+8t+%2B+15%2A%28+25+-+t+%29+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8%2A11+%2B+15%2A%28+25+-+11+%29+%3E=+300+ ALIGN=MIDDLE  ALT=\"+8%2A11+%2B+15%2A%28+25+-+11+%29+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+88+%2B+15%2A14+%3E=+300+ ALIGN=MIDDLE  ALT=\"+88+%2B+15%2A14+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+88+%2B+210+%3E=+300+ ALIGN=MIDDLE  ALT=\"+88+%2B+210+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+298+%3E=+300+ ALIGN=MIDDLE  ALT=\"+298+%3E=+300+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is not true, so he must limit hrs worked<BR>\n" );
document.write( "at library to 10 hrs<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );