document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077203>Question 1077203</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Melinda is a single mom, working two jobs just to make ends meet. She makes $11.00 an hour as a receptionist in dental office and on weekends she works at a shoe store making $8.00 an hour. One week she worked 49 hours and made $506. How many hours did she work at each job?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691735 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=691735\">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;\" > = time in hrs she worked at dentsl office<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+49+-+t+ ALIGN=MIDDLE  ALT=\"+49+-+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in hrs she worked at shoe store<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+ ALIGN=MIDDLE  ALT=\"+p+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = her pay for working that week at dental office<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+p+ ALIGN=MIDDLE  ALT=\"+506+-+p+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = her pay for working that week at shoe store<BR>\n" );
document.write( "--------------------------------------------------------<BR>\n" );
document.write( "Equation for the dental office:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+11t+ ALIGN=MIDDLE  ALT=\"+p+=+11t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for the shoe store:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+p+=+8%2A%28+49+-+t+%29+ ALIGN=MIDDLE  ALT=\"+506+-+p+=+8%2A%28+49+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "Substitute (1) into (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+11t+=+8%2A%28+49+-+t+%29+ ALIGN=MIDDLE  ALT=\"+506+-+11t+=+8%2A%28+49+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+11t+=+392+-+8t+ ALIGN=MIDDLE  ALT=\"+506+-+11t+=+392+-+8t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3t+=+114+ ALIGN=MIDDLE  ALT=\"+3t+=+114+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+38+ ALIGN=MIDDLE  ALT=\"+t+=+38+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+49+-+t+=+49+-+38+ ALIGN=MIDDLE  ALT=\"+49+-+t+=+49+-+38+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+49+-+t+=+11+ ALIGN=MIDDLE  ALT=\"+49+-+t+=+11+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She worked 38 hrs at the dental office <BR>\n" );
document.write( "and 11 hrs at the shoe store<BR>\n" );
document.write( "----------------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+11t+ ALIGN=MIDDLE  ALT=\"+p+=+11t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+11%2A38+ ALIGN=MIDDLE  ALT=\"+p+=+11%2A38+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+418+ ALIGN=MIDDLE  ALT=\"+p+=+418+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+p+=+8%2A%28+49+-+t+%29+ ALIGN=MIDDLE  ALT=\"+506+-+p+=+8%2A%28+49+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+506+-+p+=+8%2A11+ ALIGN=MIDDLE  ALT=\"+506+-+p+=+8%2A11+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+506+-+88+ ALIGN=MIDDLE  ALT=\"+p+=+506+-+88+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+418+ ALIGN=MIDDLE  ALT=\"+p+=+418+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );