document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=835814>Question 835814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if the digits of my present age are reversed then i get the age of my son.if 1 year ago my age was twice as that of my son.find my present age. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #503808 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=503808\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let m = my present age<BR>\n" );
document.write( "let s = son's present age<BR>\n" );
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document.write( "let a = my 10's digit<BR>\n" );
document.write( "let b = my units digit<BR>\n" );
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document.write( "if the digits of my present age are reversed then i get the age of my son.<BR>\n" );
document.write( "m = 10a+b<BR>\n" );
document.write( "s = 10b+a<BR>\n" );
document.write( "if 1 year ago my age was twice as that of my son.<BR>\n" );
document.write( "m-1 = 2(s-1)<BR>\n" );
document.write( "m - 1 = 2s - 2<BR>\n" );
document.write( "m = 2s - 2 - 1<BR>\n" );
document.write( "m = 2s - 1<BR>\n" );
document.write( "Replace m with (10a+b), replace s with (10b+a)<BR>\n" );
document.write( "10a + b = 2(10b+a) - 1<BR>\n" );
document.write( "10a + b = 20b + 2a - 1<BR>\n" );
document.write( "10a - 2a = 20b - b - 1<BR>\n" );
document.write( "8a = 19b - 1<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=19%2F8 ALIGN=MIDDLE  ALT=\"19%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >b - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F8 ALIGN=MIDDLE  ALT=\"1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute for b, look for an integer solution for a<BR>\n" );
document.write( "b = 3 is only single digit that works<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=19%2F8 ALIGN=MIDDLE  ALT=\"19%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >(3) - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F8 ALIGN=MIDDLE  ALT=\"1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=57%2F8 ALIGN=MIDDLE  ALT=\"57%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >b - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F8 ALIGN=MIDDLE  ALT=\"1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=56%2F8 ALIGN=MIDDLE  ALT=\"56%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = 7<BR>\n" );
document.write( " my age = 73\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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