document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=565367>Question 565367</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ruby is thrice as old as Jade. Jade is 4 years older than Pearl. In ten years Ruby will be 2 years more than twice as old as Jade will then be. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #366026 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=366026\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ruby is thrice as old as Jade. Jade is 4 years older than Pearl. In ten years Ruby will be 2 years more than twice as old as Jade will then be. How old are they now?\r<BR>\n" );
document.write( "\n" );
document.write( "Let<BR>\n" );
document.write( "Present age of Ruby = r<BR>\n" );
document.write( "Present age of Jade = j<BR>\n" );
document.write( "Present age of Pearl = p\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Ruby is thrice as old as Jade<BR>\n" );
document.write( "r=3j............(1)<BR>\n" );
document.write( "Jade is 4 years older than Pearl<BR>\n" );
document.write( "j=p+4...........(2)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "In ten years<BR>\n" );
document.write( "Ruby will be = r+10<BR>\n" );
document.write( "Jade will be = j+10\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Then\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Ruby will be 2 years more than twice as old as Jade will be then<BR>\n" );
document.write( "r+10=2(j+10)+2<BR>\n" );
document.write( "r+10=2j+20+2<BR>\n" );
document.write( "r+10=2j+22<BR>\n" );
document.write( "r=2j+22-10<BR>\n" );
document.write( "r=2j+12.............(3)<BR>\n" );
document.write( "Put the value of r from (1) to (3)<BR>\n" );
document.write( "3j=2j+12<BR>\n" );
document.write( "3j-2j=12<BR>\n" );
document.write( "j=12<BR>\n" );
document.write( "Put the value of j in (2)<BR>\n" );
document.write( "j=p+4...........(2)<BR>\n" );
document.write( "12=p+4<BR>\n" );
document.write( "p+4=12<BR>\n" );
document.write( "p=12-4<BR>\n" );
document.write( "p=8<BR>\n" );
document.write( "Put the value of j in (1)<BR>\n" );
document.write( "r=3j<BR>\n" );
document.write( "r=3(12)<BR>\n" );
document.write( "r=36\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Present age of Ruby = r = 36 years old<BR>\n" );
document.write( "Present age of Jade = j = 12 years old<BR>\n" );
document.write( "Present age of Pearl = p = 8 years old\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );