document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=568959>Question 568959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the equation the ages of a and b are in ratio 5:7.four years from now the ratio of their ages will be 3:4 . the present age of b is<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 #367254 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=367254\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5b = 7a\r<BR>\n" );
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document.write( "3(b + 4) = 4(a + 4) ___ 3b + 12 = 4a + 16 ___ 21b + 84 = 28a + 112\r<BR>\n" );
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document.write( "subtracting 4 times first eqn ___ 21b + 84 - 20b = 28a + 112 - 28a ___ b = 28 </SPAN>\n" );
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