document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693525>Question 693525</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark is 11 years older than his sister. In 8 years he will be twice as old as she will be then. How old are they now?\r<BR>\n" );
document.write( "\n" );
document.write( "How do you solve this? Please show me the steps. I have a test tomorrow and I need help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427447 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=427447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m is for Mark<BR>\n" );
document.write( "s is for his sister<BR>\n" );
document.write( "...<BR>\n" );
document.write( "given equations<BR>\n" );
document.write( "m = s + 11<BR>\n" );
document.write( "m+8 = 2(s+8) ==> adding 8 to both m and s to account for 8 years later<BR>\n" );
document.write( "...<BR>\n" );
document.write( "substitute m of the first equation into the second<BR>\n" );
document.write( "s+11 + 8 = 2(s+8) ==> distribute the 2<BR>\n" );
document.write( "s+11 + 8 = 2s + 16 ==> combine like terms<BR>\n" );
document.write( "s + 19 = 2s + 16 ==> group s variables on one side<BR>\n" );
document.write( "s - 2s = 16 - 19 ==> combine like terms<BR>\n" );
document.write( "-s = -3  ==>solve for s<BR>\n" );
document.write( "s = 3<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Mark is 3+11 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2814%29 ALIGN=MIDDLE  ALT=\"highlight_green%2814%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "His sister is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%283%29 ALIGN=MIDDLE  ALT=\"highlight_green%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "…………………………….<BR>\n" );
document.write( "Have more questions?  Get them all answered at once.<BR>\n" );
document.write( "HomeworkHelpers@ReadingBoosters.com<BR>\n" );
document.write( "Individualized Coaching: www.MyHomeworkAnswers.com <BR>\n" );
document.write( "--Reading Boosters<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );