document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246731>Question 246731</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ann's age is seven-tenths of bill's age.In 4 years ann's age will be eight-elevenths of bill's age.How old is bill now?<BR>\n" );
document.write( "28,33,40,or 68 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180121 by </B><A HREF=/tutors/aboutme.mpl?userid=College+Student><B>College Student(505)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=College+Student><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=College+Student><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=180121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ann's age is seven-tenths of bill's age.<BR>\n" );
document.write( "Let Bill = x<BR>\n" );
document.write( "Let Ann = 7/10 x<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If in 4 years ann's age will be eight-elevenths of bill's age, our equation becomes: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2F10%29%2B4=%28x%2B4%29%288%2F11%29 ALIGN=MIDDLE  ALT=\"%287x%2F10%29%2B4=%28x%2B4%29%288%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let's start finding common denominators to be able to add fractions.  Then we will worry about solving for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2F10%29%2B%2840%2F10%29=%28x%2B4%29%288%2F11%29 ALIGN=MIDDLE  ALT=\"%287x%2F10%29%2B%2840%2F10%29=%28x%2B4%29%288%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2B40%29%2F10=%28%28x%2F1%29%288%2F11%29%29%2B%28%284%2F1%29%288%2F11%29%29 ALIGN=MIDDLE  ALT=\"%287x%2B40%29%2F10=%28%28x%2F1%29%288%2F11%29%29%2B%28%284%2F1%29%288%2F11%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2B40%29%2F10=%288x%2F11%29%2B%2832%2F11%29 ALIGN=MIDDLE  ALT=\"%287x%2B40%29%2F10=%288x%2F11%29%2B%2832%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%2B40%29%2F10=%288x%2B32%29%2F11 ALIGN=MIDDLE  ALT=\"7x%2B40%29%2F10=%288x%2B32%29%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2B40%29%2F10%29=%28%288x%2B32%29%2F11%29 ALIGN=MIDDLE  ALT=\"%287x%2B40%29%2F10%29=%28%288x%2B32%29%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%287x%2B40%29%2F10%29%2811%2F11%29%29=%28%28%288x%2B32%29%2F11%29%2810%2F10%29%29 ALIGN=MIDDLE  ALT=\"%28%28%287x%2B40%29%2F10%29%2811%2F11%29%29=%28%28%288x%2B32%29%2F11%29%2810%2F10%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%2811%287x%2B40%29%29%2F110%29%29=%28%28%2810%288x%2B32%29%29%2F110%29%29 ALIGN=MIDDLE  ALT=\"%28%28%2811%287x%2B40%29%29%2F110%29%29=%28%28%2810%288x%2B32%29%29%2F110%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2877x%2B440%29%2F110=%2880x%2B320%29%2F110 ALIGN=MIDDLE  ALT=\"%2877x%2B440%29%2F110=%2880x%2B320%29%2F110\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If we multiply by 110 on both sides of the equation, we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=77x%2B440=80x%2B320 ALIGN=MIDDLE  ALT=\"77x%2B440=80x%2B320\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now solve for x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=440-320=80x-77x ALIGN=MIDDLE  ALT=\"440-320=80x-77x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120=3x ALIGN=MIDDLE  ALT=\"120=3x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=120%2F3 ALIGN=MIDDLE  ALT=\"x=120%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=40 ALIGN=MIDDLE  ALT=\"x=40\"   DISABLED_style= \"max-width:90%; height:auto;\" > <-- Bill's age.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Remember to check your answer by plugging this value in the original equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2F10%29%2B4=%28x%2B4%29%288%2F11%29 ALIGN=MIDDLE  ALT=\"%287x%2F10%29%2B4=%28x%2B4%29%288%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Both sides of the eqn must equal to each other. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );