document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153573>Question 153573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> anns age is seven-tenths of bills age.in 4 years anns age will be eight-elevenths of bills age.how old is bill now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113086 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=113086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> anns age is seven-tenths of bills age.<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F10 ALIGN=MIDDLE  ALT=\"7%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >b<BR>\n" );
document.write( "or<BR>\n" );
document.write( "a = .7b<BR>\n" );
document.write( ":<BR>\n" );
document.write( "in 4 years anns age will be eight-elevenths of bills age.<BR>\n" );
document.write( "a + 4 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F11 ALIGN=MIDDLE  ALT=\"8%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >(b+4)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Replace a with .7b<BR>\n" );
document.write( ".7b + 4 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F11 ALIGN=MIDDLE  ALT=\"8%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >(b+4)<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Multiply both sides by 11 to get rid of the annoying denominator<BR>\n" );
document.write( "7.7b + 44 = 8(b+4)<BR>\n" );
document.write( ";<BR>\n" );
document.write( "7.7b + 44 = 8b + 32<BR>\n" );
document.write( ":<BR>\n" );
document.write( "44 - 32 = 8b - 7.7b<BR>\n" );
document.write( ":<BR>\n" );
document.write( "12 = .3b<BR>\n" );
document.write( "b = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F.3 ALIGN=MIDDLE  ALT=\"12%2F.3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b = 40 yr is Bill<BR>\n" );
document.write( "then<BR>\n" );
document.write( ".7(40) = 28 yrs is Ann<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solution in the statement:<BR>\n" );
document.write( "\"in 4 years anns age will be eight-elevenths of bills age\"<BR>\n" );
document.write( "32 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F11 ALIGN=MIDDLE  ALT=\"8%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >*44\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );