document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147898>Question 147898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe is 5 years older than Sally. In 15 years Joe will be 3 times as old as Sally is now. How old is Sally now? Hint: Write Joe's age now in terms of Sally's age now. Then write Joe's age in 15 years using the expression you just wrote for Joe's age now. Then using S for Sally's age now, write the equation with only one variable \"S\" and solve it. \r<BR>\n" );
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document.write( "I need help with this :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108284 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Joe's age is J.<BR>\n" );
document.write( "Sally's age is S.<BR>\n" );
document.write( "Joe is 5 years older than Sally.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=5%2BS ALIGN=MIDDLE  ALT=\"J=5%2BS\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In 15 years, Joe will be J+15.<BR>\n" );
document.write( "In 15 years Joe will be 3 times as old as Sally is now.<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J%2B15=3S ALIGN=MIDDLE  ALT=\"J%2B15=3S\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute J from eq. 1 into eq. 2 to get an equation in S only,<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J%2B15=3S ALIGN=MIDDLE  ALT=\"J%2B15=3S\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2BS%29%2B15=3S ALIGN=MIDDLE  ALT=\"%285%2BS%29%2B15=3S\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2BS=3S ALIGN=MIDDLE  ALT=\"20%2BS=3S\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20=2S ALIGN=MIDDLE  ALT=\"20=2S\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=10 ALIGN=MIDDLE  ALT=\"S=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From eq. 1,<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=5%2BS ALIGN=MIDDLE  ALT=\"J=5%2BS\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=5%2B10 ALIGN=MIDDLE  ALT=\"J=5%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=15 ALIGN=MIDDLE  ALT=\"J=15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );