document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1075978>Question 1075978</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand how to start this problem: David is Y years old. In 15 years, he will be two times as old as he was 10 years ago. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #690645 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=690645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> David is Y years old. <BR>\n" );
document.write( "In 15 years, he will be two times as old as he was 10 years ago.<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y+15 = 2(y-10)<BR>\n" );
document.write( "y + 15 = 2y - 20<BR>\n" );
document.write( "y = 35 yrs (David'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" );