document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=557940>Question 557940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of income of two persons is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes?\r<BR>\n" );
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document.write( "I'm not sure how to set this up in a system of equations, after i get the equation I'll be able to solve it.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #362832 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=362832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you need the constant of proportionality, k\r<BR>\n" );
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document.write( "the incomes are 9k and 7k (k does NOT stand for 1000)\r<BR>\n" );
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document.write( "9k : 7k ___ dividing by k ___ 9 : 7\r<BR>\n" );
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document.write( "\"The difference in their weekly incomes is $200\" ___ 9k - 7k = 200 ___ 2k = 200 ___ k = 100\r<BR>\n" );
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document.write( "9k = 900\r<BR>\n" );
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document.write( "7k = 700 </SPAN>\n" );
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