document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1060552>Question 1060552</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A stockbroker has money in three accounts. The interest rates on the three accounts are 8%,9%, and 10%. If she has twice as much money invested at 9% as she does in 8%, three times as much at 10% as she has at 8%, and the total interest for the year is $112, how much is invested at each rate?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "JoAnn works in a publicity office at the state university. She is paid $11.50 an hour for the first 35 hours she works each week and $17.25 an hour for every hour after that. If she makes $471.50 one week, how many hours did she work?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The difference of x and 12 is 13.\r<BR>\n" );
document.write( "\n" );
document.write( "Please help me. Im so confused :( </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #675494 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=675494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For simple interest, and also<BR>\n" );
document.write( "for 1 year:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+P%2Ar%2At+ ALIGN=MIDDLE  ALT=\"+I+=+P%2Ar%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+ ALIGN=MIDDLE  ALT=\"+P+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the amount invested <BR>\n" );
document.write( "at rate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+ ALIGN=MIDDLE  ALT=\"+r+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+P%2A.08%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+P%2A.08%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B2%5D+=+2P%2A.09%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B2%5D+=+2P%2A.09%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B3%5D+=+3P%2A.1%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B3%5D+=+3P%2A.1%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+%2B+I%5B2%5D+%2B+I%5B3%5D+=+112+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+%2B+I%5B2%5D+%2B+I%5B3%5D+=+112+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.08P+%2B+.18P+%2B+.3P+=+112+ ALIGN=MIDDLE  ALT=\"+.08P+%2B+.18P+%2B+.3P+=+112+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.56P+=+112+ ALIGN=MIDDLE  ALT=\"+.56P+=+112+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+200+ ALIGN=MIDDLE  ALT=\"+P+=+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2P+=+400+ ALIGN=MIDDLE  ALT=\"+2P+=+400+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3P+=+600+ ALIGN=MIDDLE  ALT=\"+3P+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "$200 is invested at 8%<BR>\n" );
document.write( "$400 is invested at 9%<BR>\n" );
document.write( "$600 is invested at 10%<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "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;\" > = the number of hours she worked <BR>\n" );
document.write( "for the week<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+471.5+=+11.5%2A35+%2B+17.25%2A%28+t+-+35+%29+ ALIGN=MIDDLE  ALT=\"+471.5+=+11.5%2A35+%2B+17.25%2A%28+t+-+35+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+471.5+=+402.5+%2B+17.25t+-+603.75+ ALIGN=MIDDLE  ALT=\"+471.5+=+402.5+%2B+17.25t+-+603.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+17.25t+=+471.5+%2B+603.75+-+402.5+ ALIGN=MIDDLE  ALT=\"+17.25t+=+471.5+%2B+603.75+-+402.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+17.25t+=+69+%2B+603.75+ ALIGN=MIDDLE  ALT=\"+17.25t+=+69+%2B+603.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+17.25t+=+672.75+ ALIGN=MIDDLE  ALT=\"+17.25t+=+672.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+39+ ALIGN=MIDDLE  ALT=\"+t+=+39+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She worked 39 hrs for the week<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=+471.5+=+11.5%2A35+%2B+17.25%2A%28+t+-+35+%29+ ALIGN=MIDDLE  ALT=\"+471.5+=+11.5%2A35+%2B+17.25%2A%28+t+-+35+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+471.5+=+11.5%2A35+%2B+17.25%2A%28+39+-+35+%29+ ALIGN=MIDDLE  ALT=\"+471.5+=+11.5%2A35+%2B+17.25%2A%28+39+-+35+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+471.5+=+402.5+%2B+69+ ALIGN=MIDDLE  ALT=\"+471.5+=+402.5+%2B+69+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+471.5+=+471.5+ ALIGN=MIDDLE  ALT=\"+471.5+=+471.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );