document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620029>Question 620029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the ratio of income of A to that B is 5:4 and the expenditure of A to that of B is 3:2 if at end of the year each saves 800 the income of A is ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390040 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the ratio of income of A to that B is 5:4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2FB ALIGN=MIDDLE  ALT=\"A%2FB\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F4 ALIGN=MIDDLE  ALT=\"5%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "5B = 4A<BR>\n" );
document.write( "B = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F5 ALIGN=MIDDLE  ALT=\"4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >A<BR>\n" );
document.write( "B = .8A<BR>\n" );
document.write( ":<BR>\n" );
document.write( "and the expenditure of A to that of B is 3:2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "at then end of the year each saves 800,<BR>\n" );
document.write( ": <BR>\n" );
document.write( "therefore we can say<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28A-800%29%29%2F%28%28B-800%29%29 ALIGN=MIDDLE  ALT=\"%28%28A-800%29%29%2F%28%28B-800%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F2 ALIGN=MIDDLE  ALT=\"3%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "2(A-800) = 3(B-800)<BR>\n" );
document.write( "2A - 1600 = 3B - 2400<BR>\n" );
document.write( "2A = 3B - 2400 + 1600<BR>\n" );
document.write( "2A = 3B - 800<BR>\n" );
document.write( "replace b with .8A<BR>\n" );
document.write( "2A = 3(.8A) - 800<BR>\n" );
document.write( "2A = 2.4A - 800<BR>\n" );
document.write( "2A - 2.4a = -800<BR>\n" );
document.write( "-.4A = -800<BR>\n" );
document.write( "A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-800%29%2F%28-.4%29 ALIGN=MIDDLE  ALT=\"%28-800%29%2F%28-.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "A = $2000 is A's income\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );