document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=788960>Question 788960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm confused and unsure of how to set up the following problem: \r<BR>\n" );
document.write( "\n" );
document.write( "Ricky is 3 years older than his sister, Sara. 1 years ago, he was twice her age. How old is Ricky now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478689 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=478689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ricky is 3 years older than his sister, Sara. 1 years ago, he was twice her age. How old is Ricky now?<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "r = s + 3<BR>\n" );
document.write( "r-1 = 2(s-1)<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "s = r-3<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Substitute for s and solve for r::<BR>\n" );
document.write( "r-1 = 2(r-3 -1)<BR>\n" );
document.write( "r-1 = 2(r-4)<BR>\n" );
document.write( "r-1 = 2r-8<BR>\n" );
document.write( "r = 7 (Ricky's age now)<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );