document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1091946>Question 1091946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Census Data from 2003 for various age groups show that for each R100 increase in the median weekly income<BR>\n" );
document.write( "for men, the median weekly income of women increases by R61.90. Also, for workers of ages 25 to 54 the<BR>\n" );
document.write( "median weekly income for men was R676 and for women was R527. Let M represent the median weekly income for men and W the median weekly income for women, and write the equation of the line that gives W as a linear function of M.<BR>\n" );
document.write( "[1] W = 0.381M + 269 444<BR>\n" );
document.write( "[2] W = 2.625M &#8722; 1247 278<BR>\n" );
document.write( "[3] W = 0.619M + 108 556<BR>\n" );
document.write( "[4] W = 1.6166M &#8722; 565 084<BR>\n" );
document.write( "[5] None of the above. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #706779 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=706779\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If I plot <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W ALIGN=MIDDLE  ALT=\"W\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the vertical axis and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=M ALIGN=MIDDLE  ALT=\"M\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the horizintal axis,<BR>\n" );
document.write( "I am given the point ( 676,527 )<BR>\n" );
document.write( "The slope is [ change in W ] / [ change in M ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+61.9%2F100+ ALIGN=MIDDLE  ALT=\"+m+=+61.9%2F100+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+.619+ ALIGN=MIDDLE  ALT=\"+m+=+.619+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the general point-slope formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+W+-+527+%29+%2F+%28+M+-+676+%29+=+.619+ ALIGN=MIDDLE  ALT=\"+%28+W+-+527+%29+%2F+%28+M+-+676+%29+=+.619+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+W+-+527+=+.619%2A%28+M+-+676+%29+ ALIGN=MIDDLE  ALT=\"+W+-+527+=+.619%2A%28+M+-+676+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+W+-+527+=+.619M+-+418.444+ ALIGN=MIDDLE  ALT=\"+W+-+527+=+.619M+-+418.444+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+W+=+.619M+%2B+108.556+ ALIGN=MIDDLE  ALT=\"+W+=+.619M+%2B+108.556+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "The answer is (3)<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "does the line go through ( 676,527 )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+527+=+.619%2A676+%2B+108.556+ ALIGN=MIDDLE  ALT=\"+527+=+.619%2A676+%2B+108.556+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+527+=+418.444+%2B+108.556+ ALIGN=MIDDLE  ALT=\"+527+=+418.444+%2B+108.556+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+527+=+527+ ALIGN=MIDDLE  ALT=\"+527+=+527+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );