document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392205>Question 392205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jim and his daughter's combined age is 31.  Jim is exactly 30 years older than his daughter.  How old is his daughter? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278359 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jim and his daughter's combined age is 31. Jim is exactly 30 years older than his daughter. How old is his daughter?<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "j + d = 31<BR>\n" );
document.write( "j = d + 30<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Substitute for for \"j\" and solve for \"d\":<BR>\n" );
document.write( "d+30+d = 31<BR>\n" );
document.write( "2d = 1<BR>\n" );
document.write( "d = 1/2 (daughter = 6 months)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Solve for \"j\":<BR>\n" );
document.write( "j = d+30<BR>\n" );
document.write( "j = (1/2) + 30 <BR>\n" );
document.write( "j = 30 yrs and 6 months (jim's age now)<BR>\n" );
document.write( "===========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );