document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=542452>Question 542452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Reul is twenty seven yearl older than his son in ten years he will be twice as old as his sin. how old is each ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #354574 by </B><A HREF=/tutors/aboutme.mpl?userid=neatmath><B>neatmath(302)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=neatmath><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=neatmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=354574\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><font face=\"Tahoma\">Let R be Reul's current age, and let S be his son's current age.<br>\r<BR>\n" );
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document.write( "Then we know:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=S%2B27 ALIGN=MIDDLE  ALT=\"R=S%2B27\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%2B10=2%2A%28S%2B10%29 ALIGN=MIDDLE  ALT=\"R%2B10=2%2A%28S%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "Let's solve the second equation for R and then use substitution to solve for S:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%2B10=2S%2B20 ALIGN=MIDDLE  ALT=\"R%2B10=2S%2B20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=2S%2B10 ALIGN=MIDDLE  ALT=\"R=2S%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "Then we know:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%2B27=2S%2B10 ALIGN=MIDDLE  ALT=\"S%2B27=2S%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=17 ALIGN=MIDDLE  ALT=\"S=17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "We now know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=S%2B27 ALIGN=MIDDLE  ALT=\"R=S%2B27\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=44 ALIGN=MIDDLE  ALT=\"R=44\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "So Reul is currently 44 years old, and his son is currently 17 years old.<br>\r<BR>\n" );
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document.write( "In ten years, Reul will be 54, and his son will be 27.<br>\r<BR>\n" );
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document.write( "In ten years, Reul will be exactly twice his son's age.<br>\r<BR>\n" );
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document.write( "I hope this helps!<br> </SPAN>\n" );
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